Math | Class 10

Chapter 1: Algebraic Sentences (30 videos)   (Practice Test)

1.1: Solution of Simple Linear Equations in One or Two Variables  (Practice Test)

1. Solution of Simple Linear Equations in one Variables
2. Problem 1: Solution of Simple Linear Equations in one Variables
3. Solving Simultaneous Linear Equations by Substitution
4. Problem 1: Solving Simultaneous Linear Equations by Substitution

1.2: Graphical Solution of Two Simultaneous Linear Equations

1. Graphical Solution of Simultaneous Linear Equations
2. Problem-Solving Simultaneous Linear Equations Graphically

1.3: Solution of the Equations Involving Radicals in One Variable

1. Solving Radical Equations in One Variable
2. Problem 1: Solving Radical Equations in One Variable
3. Problem 1: Solving Radical Equations in One Variable

1.4: Solution of Equations in One Variable Involving Absolute Value  (Practice Test)

1. Introduction to absolute value equation
2. Problem 1: Introduction to absolute value equation
3. Solving Absolute Valued Equations "
4. Problem 1: Solving Absolute Valued Equations

1.5: Inequalities or Inequations  (Practice Test)

1. Solution of Inequalities
2. Problem 1: Solution of Inequalities
3. Representing Solution of Inequalities on Number Line
4. Problem 1: Representing Solution of Inequalities on Number Line
5. Application of Inequality in Real Life

1.6: Quadratic Equations in One Variable

1. Quadratic Equations in One Variable
2. Problem 1: Quadratic Equations in One Variable

1.7: Solution of the Quadratic Equations by Factorization

1. Solving Quadratic Equations by Factorization
2. Problem 1: Solving Quadratic Equations by Factorization

1.8: Solution of Quadratic Equations by Completing the Squares

1. Solving Quadratic Equations by Completing the Squares
2. Problem 1: Solving Quadratic Equations by Completing the Squares
3. Problem 2: Solving Quadratic Equations by Completing the Squares

1.9: Derivation of Quadratic Formula

1. Derivation of Quadratic formula
2. Problem 1: Derivation of Quadratic formula

1.10: Solution of Quadratic Equations by Quadratic Formula

1. Solving Quadratic Equation by Quadratic formula
2. Problem1-Solving Quadratic Equation-Quadratic Formula
3. Problem 2: Solving Quadratic Equation by Quadratic formula

Chapter 2: Elimination (8 videos)   (Practice Test)

2.1: Concept of Elimination

1. Concept of Elimination
2. Problem 1: Concept of Elimination

2.2: Elimination by Substitution Method

1. Elimination by Substitution Method

2.3: Elimination by Comparison Method

1. Elimination by Comparison Method

2.4: Elimination by the Application of Formulae

1. Elimination by the Application of Formulae
2. Elimination through Substitution

2.5: Method of Cross-Multiplication

1. Method of Cross-Multiplication
2. Problem 1: Method of Cross-Multiplication

Chapter 3: Variations (46 videos)   (Practice Test)

3.1: Ratio

1. Concept of Ratio
2. Problem 1: Concept of Ratio

3.2: Proportion

1. Introduction to Proportion

3.3: Continued Proportion  (Practice Test)

1. Continued Proportional
2. Problem 1: Continued Proportional
3. Fourth Proportional
4. Problem 1: Fourth Proportional
5. Third Proportional
6. Problem 1: Third Proportional
7. Mean Proportional
8. Problem 1: Mean Proportional

3.4: Variation  (Practice Test)

1. Direct Variations
2. Problem 2: Direct Variations
3. Problem3-Introducing Direct Variation
4. Problem 1: Direct Variations
5. Inverse Variations
6. Problem 1: Inverse Variations
7. Problem 2: Inverse Variations
8. Problem 3: Inverse Variations

3.5: K-Method and Theorems on Proportion

1. K-Method and Theorem 1 on Proportion
2. Problem 1: K-Method and Theorem 1 on Proportion
3. K-Method and Theorem 2 on Proportion

3.6: Properties of Proportion  (Practice Test)

1. Law of Proportion
2. Problem 1: Law of Proportion
3. Duplicate Ratio
4. Problem 1: Duplicate Ratio
5. Invertendo Theorem
6. Problem 1: Invertendo Theorem
7. Alternando Theorem
8. Problem 1: Alternando Theorem
9. Componendo Theorem
10. Problem 1: Componendo Theorem
11. Dividendo Theorem
12. Problem 1: Dividendo Theorem
13. Componendo-Dividendo Theorem
14. Problem on Componendo-Dividendo Theorem
15. Problem 1: Componendo-Dividendo Theorem
16. Transitive Property of Ratio
17. Problem 1: Transitive Property of Ratio

3.7: Word Problems  (Practice Test)

1. Word Problem of Ratio of Shadow & Height
2. Problem 1: Word Problem of Ratio of Shadow & Height
3. Problem 1: Word problem of Ratio between Two Numbers
4. Word problem of Ratio of Sides of Polygons
5. Word problem of Ratio of angles of Polygons
6. Problem 1: Word problem of Ratio of angles of Polygons
7. Word problem of Ratio of Income & Expenses

Chapter 4: Information Handling (116 videos)   (Practice Test)

4.1: Introduction

1. Concept of Information Handling
2. Problem 1: Concept of Information Handling

4.2: A Few Definitions  (Practice Test)

1. Data, Collection of Data, Presentation of Data
2. Problem 1: Data, Collection of Data, Presentation of Data
3. Constant & Variable.
4. Problem 1: Constant & Variable.
5. Population
6. Problem 1:Population

4.3: Types of Variables

1. Types of Variables
2. Problem 1: Types of Variables

4.4: Types of Data

1. Types of Data
2. Problem 1: Types of Data

4.5: Collection of Data

1. Data, Collection of Data, Presentation of Data
2. Problem 1: Data, Collection of Data, Presentation of Data

4.6: Presentation of Data Or Information

1. Data, Collection of Data, Presentation of Data
2. Problem 1: Data, Collection of Data, Presentation of Data

4.7: Classification

1. Classification & No. of Classes
2. Problem 1: Classification & No. of Classes

4.8: A Few Definitions  (Practice Test)

1. Ungrouped & Grouped Data
2. Problem 1: Ungrouped & Grouped Data
3. Classification & No. of Classes
4. Problem 1: Classification & No. of Classes
5. Specification of Classes
6. Problem 1: Specification of Classes
7. Class interval & Class Limits
8. Problem 1: Class interval & Class Limits
9. Class Mark & Class Boundaries.
10. Problem 1: Class Mark & Class Boundaries.

4.9: Tabulation  (Practice Test)

1. One way Tabulation
2. Problem 1: One way Tabulation
3. Two way Tabulation
4. Problem 1: Two way Tabulation

4.10: Frequency Distribution  (Practice Test)

1. Construction of Continuous Frequency Table
2. Problem 1: Construction of Continuous Frequency Table

4.11: Construction of Frequency Distribution  (Practice Test)

1. Formation of Frequency Distribution byTally Bar Method
2. Problem 1: Formation of Frequency Distribution by Tally Bar Method
3. Formation of Frequency Distribution by Direct Method
4. Problem 1: Formation of Frequency Distribution by Direct Method

4.12: Graphs

1. Advantages and Disadvantages of Graphs
2. Problem 1: Advantages and Disadvantages of Graphs
3. Construction of Graphs
4. Problem 1: Construction of Graphs

4.13: Histogram  (Practice Test)

1. Graph of Frequency Distribution by Histogram
2. Problem 1: Constructing Histogram with Equal Intervals

4.14: Frequency Polygon

1. Construction of Frequency Polygon
2. Problem 1: Construction of Frequency Polygon

4.15: Diagrams Representation  (Practice Test)

1. Simple Bar Diagram
2. Problem 1: Simple Bar Diagram
3. Multiple Bar Diagram
4. Problem-Classifying data by graphs
5. Pie Diagram
6. Problem 1: Pie Diagram

4.16: Measures of Location (Central Tendency)  (Practice Test)

1. Measure of Location
2. Problem 1: Measure of Location
3. Importance of Measure of Central Tendency
4. Problem 1: Importance of Measure of Central Tendency

4.17: Types of Measures of Central Tendency

1. Types of Measures of Central Tendency
2. Problem 2: Types of Measures of Central Tendency
3. problem 3: Types of Measures of Central Tendency
4. Problem 1: Types of Measures of Central Tendency

4.18: Arithmetic Mean (A.M)  (Practice Test)

1. Arithmetic Mean (A.M) for Ungrouped Data
2. Problem 1: A.M of Ungrouped Data by Direct Method
3. Arithmetic Mean (A.M) for Grouped Data by Direct Method
4. Problem 1: A.M for Grouped Data by Direct Method
5. Short formula for Computing Arithmetic Mean for Ungrouped Data
6. Problem 1: A.M for Ungrouped Data by Short formula Method
7. Short formula for Computing Arithmetic Mean for Grouped Data
8. Problem 1: A.M for Grouped Data by Short formula Method
9. Coding Method of Finding Arithmetic Mean
10. Problem 1: A.M for Ungrouped Data by Coding Method
11. Finding A.M for Grouped Data-Coding Method
12. Problem 1: A.M for Grouped Data by Coding Method

4.19: Median  (Practice Test)

1. Median for Ungrouped Data
2. Problem 1: Median for Ungrouped Data
3. Median for Grouped Continuous Data
4. Problem 1: Median for Grouped Continuous Data

4.20: Mode  (Practice Test)

1. Mode for Ungrouped Discrete Data
2. Problem 1: Mode for Ungrouped Discrete Data
3. Mode for Grouped Data
4. Problem 1: Mode for Grouped Data

4.21: Merits And Demerits of Measures of Central Tendency  (Practice Test)

1. Properties of Arithmetic Mean
2. Problem 1: Properties of Arithmetic Mean
3. Merits and Demerits of Median
4. Problem 1: Merits and Demerits of Median
5. Merits and Demerits of Mode
6. Problem 1: Merits and Demerits of Mode

4.22: Concept of Dispersion

1. Concept of Dispersion
2. Problem 1: Concept of Dispersion

4.23: Importance and Uses of Measures of Dispersion

1. Importance & Uses of Measures of Dispersion
2. Problem 1: Importance & Uses of Measures of Dispersion

4.24: Types of Measures of Dispersion  (Practice Test)

1. Calculation of Range for Raw or Ungrouped Data
2. Problem 1: Calculation of Range for Raw or Ungrouped Data
3. Calculation of Range for Grouped Data
4. Problem 1: Calculation of Range for Grouped Data
5. Uses and Properties of Range
6. Problem 1: Uses and Properties of Range
7. Limitations or Drawbacks of Range
8. Problem 1: Limitations or Drawbacks of Range

4.25: The Variance  (Practice Test)

1. Calculation of Variance by Proper Mean Formula
2. Calculation of Variance of Grouped Data by Proper Mean Formula
3. Calculation of Variance by Short Cut Method
4. Problem 1: Calculation of Variance by Short Cut Method
5. Calculation of the Variance and Standard Deviation by Direct Method
6. Problem 1: Calculation of Variance by Direct Method

4.26: Standard Deviation (S.D.)  (Practice Test)

1. Calculation of Standard Deviation by Proper Mean Formula
2. Problem 1: Calculation of S.D by Proper Mean formula
3. Calculation of S.D by Short Cut Method
4. Problem 1: Calculation of S.D by Short Cut Method
5. Calculation of S.D by Direct Method
6. Problem 1: Calculation of S.D by Direct Method
7. Uses and Properties of Standard Deviation
8. Problem 1: Uses and Properties of Standard Deviation
9. Limitations of Variance and Standard Deviation
10. Problem 1: Limitations of Variance and Standard Deviation
11. Criteria for the measurement of spread of Observation
12. Problem 1: Criteria for the measurement of spread of Observation

Chapter 5: Demonstrative Geometry (92 videos)   (Practice Test)

5.1: Theorems on Lines and Polygons

1. Elements in proving a geometrical theorem

5.2: Methods of Proof  (Practice Test)

1. Problem 1: Analytical and Synthesis method to Prove theorem
2. Law of Aristotle
3. Problem 1: Reductio-Ad-Absurdum Method
4. If two lines intersect each other,than vertical angles are congruent

5.3: Triangle  (Practice Test)

1. Interior and exterior of triangle
2. Problem 1: Interior and exterior of triangle
3. Triangluar Region and Triangular Area
4. Interior and exterior angles of traingle
5. Problem 1: Interior and exterior angles of traingle
6. Included Angle and Included Side of Triangle
7. Problem 1: Included Angle and Included Side of Triangle

5.4: Kinds of Triangle

1. Kinds of Triangle
2. Problem 1: Kinds of Triangle

5.5: One-One Correspondence between Two Triangles and Other Polygons

1. Congruence of Other Polygons

5.6: Congruence of Triangles

1. Congruency of Triangles
2. Problem 1: Congruency of Triangles

5.7: Congruence of Other Polygons

1. Congruence of Other Polygons
2. Problem 1: Congruence of Polygons

5.8: Postulate 14-Side Angle Side Postulate (S.A.S Postulate)  (Practice Test)

1. Side Angle Side Postulate
2. Problem 1: side angle side postulate
3. An exterior angle of a traingle is greater in measure than either of
4. Problem 1:An exterior angle of a traingle is greater in measure than

5.9: Transversal, Interior and Exterior Angles

1. Transversal, Interior and Exterior Angles
2. Problem 1: Transversal, Interior and Exterior Angles

5.10: Alternate Interior Angles

1. Alternate and corresponding Angles
2. Problem 1: Alternate and corresponding Angles

5.11: Corresponding Angles

1. Alternate and corresponding Angles
2. Problem 1: Alternate and corresponding Angles

5.12: Parallel Lines

1. Parallel Lines
2. Problem 1: Parallel Lines

5.13: Postulate 15. Parallel Lines Postulate  (Practice Test)

1. Parallel Lines Postulate
2. Problem 1: Parallel Lines Postulate
3. If a transversal intersects two coplanar lines
4. If a transversal intersects two parallel lines
5. Problem 1: If a transversal intersects two parallel lines

5.14: Parallelogram

1. Kinds of Parallelogram
2. Problem 1: Kinds of Parallelogram

5.15: Trapezoid or Trapezium  (Practice Test)

1. Trapezoid and Trapezium
2. Problem 1: Trapezoid and Trapezium
3. Sum of three angles of triangle is 180 degree
4. Problem 1: Sum of three angles of triangle is 180 degree
5. Angle opposite to equal sides are equal in triangle
6. Problem 1: Angle opposite to equal sides are equal in triangle
7. Angle-Side-Angle Postulate-1
8. Problem 1: Angle-Side-Angle Postulate-1
9. Side-Side-Side Postulate-3
10. Problem 1: Side-Side-Side Postulate-3
11. Sides Facing Equal Angles are Equal in Triangle-2
12. Problem 1: Sides Facing Equal Angles are Equal in Triangle-2
13. Hypotenuse Side Postulate-4
14. Problem 1: Hypotenuse Side Postulate-4
15. Diagonals of Parallelogram Bisects Each Other-1
16. Problem 1: Diagonals of Parallelogram Bisects Each Other-1
17. Problem 2: Diagonals of Parallelogram Bisects Each Other-1
18. Parallelogram Opposite Sides - Congruent -Parallel-2
19. Mid point Theorem-3
20. Problem 2: Mid point Theorem-3
21. Problem 1: Mid point Theorem-3
22. All Medians of Triangle Trisect Each Other-4
23. Problem 1: All Medians of Triangle Trisect Each Other-4
24. Proportional Segment Theorem-5
25. Perpendicular Bisector Theorem-1
26. Converse of Perpendicular Bisector Theorem-2
27. Triangle Right Bisectors of Sides are Concurrent-3
28. Problem 1: Triangle Right Bisectors of Sides are Concurrent-3
29. Problem 2: Triangle Right Bisectors of Sides are Concurrent-3
30. Angle Bisector Theorem-4
31. Converse of Angle Bisector Theorem-5

5.16: Theorems on Inequalities  (Practice Test)

1. Longer Side Inequality Theorem-1
2. Converse of Longer Side Inequality Theorem-1a
3. Problem 1: Converse of Longer Side Inequality Theorem-1a
4. Problem 2: Converse of Longer Side Inequality Theorem-1a
5. Triangle Sum of Two Sides is Greater Than Third-2
6. Problem 2: Triangle Sum of Two Sides is Greater Than Third-3
7. Shortest Distance from Point to a Line-3
8. Problem 2: Shortest Distance from Point to a Line-3
9. Problem 1: Shortest Distance from Point to a Line-3

5.17: Similar Figures  (Practice Test)

1. Proportional Parts of Triangle by Side Splitter Theo-1
2. Converse of Proportional Parts of Triangle -2
3. Division of Opposite Side by Angle Bisector-3
4. Proportional Parts of Similar Triangle-4
5. Converse of Proportional parts of similar triangle

5.18: Pythagoras Theorem  (Practice Test)

1. Pythagoras Theorem-1
2. Problem 1: Pythagoras Theorem-1
3. Problem 2: Pythagoras Theorem-1
4. Converse of Pythagoras Theorem-2
5. Problem 1: Converse of Pythagoras Theorem-2
6. Problem-Proof of Pythagoras Theorem
7. Problem-More on Proof of Pythagoras Theorem 1
8. Problem-Two Special Right Angled Triangles
9. Problem-More on Two Special Right Angled Triangles

Chapter 6: Circle (56 videos)   (Practice Test)

6.1: Circle

1. Introduction to Circle & its Characteristics
2. Problem 1: Introduction to Circle & its Characteristics

6.2: Circumference of a Circle

1. Chord , Diameter & Circumference of a Circle

6.3: Chord and Secant  (Practice Test)

1. Chord , Diameter & Circumference of a Circle
2. Problem 1: Chord , Diameter & Circumference of a Circle
3. Concept of Secant & Tangent Line
4. Problem 1: Concept of Secant & Tangent Line

6.4: Diameter of Circle

1. Chord , Diameter & Circumference of a Circle

6.5: Interior & Exterior of Circle

1. Introduction to Circle & its Characteristics

6.6: Arc of a Circle

1. Arc of a Circle
2. Problem 1: Arc of a Circle

6.7: Semi-Circle

1. Arc of a Circle

6.8: Minor Arc, Major Arc

1. Arc of a Circle

6.9: Central Angle of An Arc

1. Concept of Central Angle of an Arc
2. Problem 1: Concept of Central Angle of an Arc

6.10: Congruent Circles

1. Concept of Central Angle of an Arc

6.11: Congruent Arcs

1. Concept of Central Angle of an Arc

6.12: Inscribed Angle of an Arc

1. Concept of Inscribed Angle of an Arc
2. Problem 1: Concept of Inscribed Angle of an Arc

6.13: Tangent, Point of Tangency

1. Concept of Secant & Tangent Line

6.14: Common Tangents, Common Internal and Common External Tangents to Two Circles  (Practice Test)

1. Problem 1: Concentric Circles,Common Internal & External Tangents of
2. Introducing Concyclic Points
3. Concentric Circles and Common Internal and External Tangents to two C

6.15: Sector of a Circle

1. Segment & Sector of a Circle
2. Problem 1: Segment & Sector of a Circle

6.16: Segment of a Circle

1. Segment & Sector of a Circle

6.17: Circum Circle of a Triangle

1. Concept of Circum Circle of a Triangle
2. Problem 1: Concept of Circum Circle of a Triangle

6.18: Inscribed Circle of a Triangle

1. Concept of Inscribed Circle of a Triangle
2. Problem 1: Concept of Inscribed Circle of a Triangle

6.19: Escribed Circle of a Triangle

1. Concept of Escribed Circle of a Triangle
2. Problem 1: Concept of Escribed Circle of a Triangle

6.20: Theorems on Circles  (Practice Test)

1. Perpendicular Radius Bisects Chord-3
2. Perpendicular Bisector to a Chord Circle-2
3. The perpendicular bisector of chord of circle passes through centre o
4. Congruent Chords Equidistance from Circle-4
5. Problem 2: Congruent Chords Equidistance from Circle-4
6. Problem 1: Congruent Chords Equidistance from Circle-4
7. Chords Equidistance of Circle are Congruent-5
8. Problem 1: Chords Equidistance of Circle are Congruent-5
9. Three Non-Collinear Points Form a Circle-1
10. Problem 1: Three Non-Collinear Points Form a Circle-1
11. Problem 2: Three Non-Collinear Points Form a Circle-1
12. Central angle theorem
13. Problem 1: Central angle theorem
14. Problem 2: Central angle theorem
15. Tangent to Circle-1
16. Problem 1: Tangent to Circle-1
17. Converse of Tangent to Circle-2
18. Problem 1: Converse of Tangent to Circle-2
19. Tangent and radial lines are perpendicular to each other
20. Equal Tangent Segments from a Point to a Circle-3
21. Problem 1: Equal Tangent Segments from a Point to a Circle-3
22. Distance of Centers of Externally Tangent Circles-4a
23. Problem 1: Distance of Centers of Externally Tangent Circles-4a
24. Distance of Centers of internally Tangent Circles-4b

Chapter 7: Practical Geometry (27 videos)   (Practice Test)

7.1: Revision  (Practice Test)

1. Introduction to Practical Geometry
2. Constructing Triangle with Three Sides
3. Construction of a Triangle when one angle and two sides
4. Constructing Triangle with Side & Two Angles

7.2: The Ambiguous Case  (Practice Test)

1. Constructing Triangle-Ambiguous Case
2. Constructing Two Triangle with two sides and opposite Angle
3. Constructing Three Triangle with two sides and opposite Angle

7.3: Concurrent Lines with Reference to a Triangle  (Practice Test)

1. Constructing Angler Bisectors of Triangle
2. Constructing Perpendicular Bisectors of Triangle
3. Constructing Medians of Triangle
4. Constructing Altitudes of Triangle
5. Problem-Construction of the Altitudes of a Triangle

7.4: To Draw the Circum-Circle of a Triangle  (Practice Test)

1. Circumscribe a Circle About a Given Triangle
2. Constructing Circumcircle about an equilateral Triangle
3. Problem 1: Circumscribe a Circle About a Given Triangle

7.5: To Draw Incircle of a Triangle  (Practice Test)

1. Inscribe a Circle in a Given Triangle
2. Inscribe a Circle in Given equilateral Triangle
3. Problem 1: Inscribe a Circle in a Given Triangle
4. Problem-Circumscribe and Inscribe a Circle in Given Triangle

7.6: To Draw Escribed Circle Opposite To a Vertex of a Triangle

1. Escribe a Circle to a Given Triangle

7.7: To Draw the Tangent to a Circle at a Given Point on the Circle

1. To Draw the Tangent to a Circle at a Given point on the Circle

7.8: To Draw Two Tangents to a Circle From a Point Outside the Circle  (Practice Test)

1. Tangent from a Point Outside a Circle
2. Two Tangents from a Point Outside Circle

7.9: To Draw the Direct Common Tangents to the Two Given Circles  (Practice Test)

1. Direct Common Tangents to Circles
2. Direct Common Tangents to circles by Method 2
3. Direct Common Tangents of Circles with Same Radii

7.10: To Draw the Transverse Common Tangents to the Two Given Circles

1. Transverse Common Tangents to Circles1

Chapter 8: Trigonometry (38 videos)   (Practice Test)

8.1: Introduction

1. Meaning and Importance of Trigonometry
2. Problem 1: Meaning and Importance of Trigonometry

8.2: Trigonometric Ratios of Acute Angles

1. Trigonometric Ratios of an Acute Angle
2. Problem 1: Trigonometric Ratios of an Acute Angle

8.3: Values of Trigonometric Ratios of Angles of 45, 30 And 60 Degree  (Practice Test)

1. Trigonometric ratios of 45 degree
2. Problem 1: Trigonometric ratios of 45 degree
3. Trigonometric ratios of 30 degree and 60 degree
4. Problem 1: Trigonometric ratios of 30 degree and 60 degree
5. Problem 2: Trigonometric ratios of 30 degree and 60 degree

8.4: Relations Between Trigonometric Ratios of the Complementary Angles

1. Trigonometric Ratios of an Complementary Angles
2. Problem 1: Trigonometric Ratios of an Complementary Angles

8.5: Fundamental Trigonometric Identities  (Practice Test)

1. Proof of Fundamental Trigonometric Identity
2. Problem 1: Proof of Fundamental Trigonometric Identity
3. More on Fundamental Trigonometric Identity
4. Problem 2: More on Fundamental Trigonometric Identity
5. Problem 3: More on Fundamental Trigonometric Identity
6. Problem 4: More on Fundamental Trigonometric Identity
7. Problem 1: More on Fundamental Trigonometric Identity

8.6: Solution of a Right Triangle  (Practice Test)

1. When measures of one side and one angle are given
2. Problem 1: When measures of one side and one angle are given
3. when measures of hypotenuse and one Acute angle are given
4. Problem 1: when measures of hypotenuse and one angle are given
5. When measures of two sides are given
6. Problem 1: When measures of two sides are given
7. When measures of hypotenuse and one side are given
8. Problem 1: When measures of hypotenuse and one side are given

8.7: Finding Heights and Distances by Using Trigonometric Ratios  (Practice Test)

1. Concept of Angle of Elevation & Depression
2. Problem 1: Concept of Angle of Elevation & Depression
3. when one Side & Angle of Elevation are Given
4. Problem 1: when one Side & Angle of Elevation are Given
5. Problem 2: when one Side & Angle of Elevation are Given
6. when One Side & Angle of Depression are Given
7. Problem 1: when One Side & Angle of Depression are Given
8. when Hypotenuse & Angle of Elevation are Given
9. Problem 1: when Hypotenuse & Angle of Elevation are Given
10. when Given Sides-Angle of Elevation-Depression
11. Problem 1: when Given Sides-Angle of Elevation-Depression
12. Problem 2: when Given Sides-Angle of Elevation-Depression