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Demonstrative Geometry
Sindh Board > Class 10 > Math (
Total Videos: 413
)
All Chapters
Chapter 1: Algebraic Sentences
Chapter 2: Elimination
Chapter 3: Variations
Chapter 4: Information Handling
Chapter 5: Demonstrative Geometry
Chapter 6: Circle
Chapter 7: Practical Geometry
Chapter 8: Trigonometry
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Chapter 5: Demonstrative Geometry (
92 videos
)
  (
Practice Test
)
5.1: Theorems on Lines and Polygons
Elements in proving a geometrical theorem
5.2: Methods of Proof  (
Practice Test
)
Problem 1: Analytical and Synthesis method to Prove theorem
Law of Aristotle
Problem 1: Reductio-Ad-Absurdum Method
If two lines intersect each other,than vertical angles are congruent
5.3: Triangle  (
Practice Test
)
Interior and exterior of triangle
Problem 1: Interior and exterior of triangle
Triangluar Region and Triangular Area
Interior and exterior angles of traingle
Problem 1: Interior and exterior angles of traingle
Included Angle and Included Side of Triangle
Problem 1: Included Angle and Included Side of Triangle
5.4: Kinds of Triangle
Kinds of Triangle
Problem 1: Kinds of Triangle
5.5: One-One Correspondence between Two Triangles and Other Polygons
Congruence of Other Polygons
5.6: Congruence of Triangles
Congruency of Triangles
Problem 1: Congruency of Triangles
5.7: Congruence of Other Polygons
Congruence of Other Polygons
Problem 1: Congruence of Polygons
5.8: Postulate 14-Side Angle Side Postulate (S.A.S Postulate)  (
Practice Test
)
Side Angle Side Postulate
Problem 1: side angle side postulate
An exterior angle of a traingle is greater in measure than either of
Problem 1:An exterior angle of a traingle is greater in measure than
5.9: Transversal, Interior and Exterior Angles
Transversal, Interior and Exterior Angles
Problem 1: Transversal, Interior and Exterior Angles
5.10: Alternate Interior Angles
Alternate and corresponding Angles
Problem 1: Alternate and corresponding Angles
5.11: Corresponding Angles
Alternate and corresponding Angles
Problem 1: Alternate and corresponding Angles
5.12: Parallel Lines
Parallel Lines
Problem 1: Parallel Lines
5.13: Postulate 15. Parallel Lines Postulate  (
Practice Test
)
Parallel Lines Postulate
Problem 1: Parallel Lines Postulate
If a transversal intersects two coplanar lines
If a transversal intersects two parallel lines
Problem 1: If a transversal intersects two parallel lines
5.14: Parallelogram
Kinds of Parallelogram
Problem 1: Kinds of Parallelogram
5.15: Trapezoid or Trapezium  (
Practice Test
)
Trapezoid and Trapezium
Problem 1: Trapezoid and Trapezium
Sum of three angles of triangle is 180 degree
Problem 1: Sum of three angles of triangle is 180 degree
Angle opposite to equal sides are equal in triangle
Problem 1: Angle opposite to equal sides are equal in triangle
Angle-Side-Angle Postulate-1
Problem 1: Angle-Side-Angle Postulate-1
Side-Side-Side Postulate-3
Problem 1: Side-Side-Side Postulate-3
Sides Facing Equal Angles are Equal in Triangle-2
Problem 1: Sides Facing Equal Angles are Equal in Triangle-2
Hypotenuse Side Postulate-4
Problem 1: Hypotenuse Side Postulate-4
Diagonals of Parallelogram Bisects Each Other-1
Problem 1: Diagonals of Parallelogram Bisects Each Other-1
Problem 2: Diagonals of Parallelogram Bisects Each Other-1
Parallelogram Opposite Sides - Congruent -Parallel-2
Mid point Theorem-3
Problem 2: Mid point Theorem-3
Problem 1: Mid point Theorem-3
All Medians of Triangle Trisect Each Other-4
Problem 1: All Medians of Triangle Trisect Each Other-4
Proportional Segment Theorem-5
Perpendicular Bisector Theorem-1
Converse of Perpendicular Bisector Theorem-2
Triangle Right Bisectors of Sides are Concurrent-3
Problem 1: Triangle Right Bisectors of Sides are Concurrent-3
Problem 2: Triangle Right Bisectors of Sides are Concurrent-3
Angle Bisector Theorem-4
Converse of Angle Bisector Theorem-5
5.16: Theorems on Inequalities  (
Practice Test
)
Longer Side Inequality Theorem-1
Converse of Longer Side Inequality Theorem-1a
Problem 1: Converse of Longer Side Inequality Theorem-1a
Problem 2: Converse of Longer Side Inequality Theorem-1a
Triangle Sum of Two Sides is Greater Than Third-2
Problem 2: Triangle Sum of Two Sides is Greater Than Third-3
Shortest Distance from Point to a Line-3
Problem 2: Shortest Distance from Point to a Line-3
Problem 1: Shortest Distance from Point to a Line-3
5.17: Similar Figures  (
Practice Test
)
Proportional Parts of Triangle by Side Splitter Theo-1
Converse of Proportional Parts of Triangle -2
Division of Opposite Side by Angle Bisector-3
Proportional Parts of Similar Triangle-4
Converse of Proportional parts of similar triangle
5.18: Pythagoras Theorem  (
Practice Test
)
Pythagoras Theorem-1
Problem 1: Pythagoras Theorem-1
Problem 2: Pythagoras Theorem-1
Converse of Pythagoras Theorem-2
Problem 1: Converse of Pythagoras Theorem-2
Problem-Proof of Pythagoras Theorem
Problem-More on Proof of Pythagoras Theorem 1
Problem-Two Special Right Angled Triangles
Problem-More on Two Special Right Angled Triangles
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