- Standard Form of Equation of Circle
- General Form of Equation of Circle
- More on General Form of Equation of Circle

- Equation of Tangent to Circle
- More on Equation of Tangent to Circle
- Problem1- Equation of Tangent to Circle
- Problem2a-Equation of Tangent to Circle
- Problem2b-Equation of Tangent to Circle
- Equation of Normal to Circle

- Equation of Tangent to Circle
- More on Equation of Tangent to Circle
- Problem1- Equation of Tangent to Circle
- Problem2a-Equation of Tangent to Circle
- Problem2b-Equation of Tangent to Circle
- Equation of Normal to Circle

- Proof-2 Tangents can be Drawn to Circle from Point
- More on Proof-2 Tangents can be Drawn to Circle from Point
- Length of Tangent to Circle
- To Prove Circles Diameter is 2 Times its Radius
- Chords Perpendicular Passes Centre of Circle
- More on Chords Perpendicular Passes Centre of Circle
- Line From Centre and Midpoint of Chord is Perp to it
- More on Line From Centre and Midpoint of Chord is Perp to it
- Congruent Chords are Equidistance from Centre of Circle
- More on Congruent Chords are Equidistance from Centre of Circle
- Angle in Semi-Circle is Right Angle
- More on Angle in Semi-Circle is Right Angle
- Perpendicular Radial Segment is Tangent to Circle
- More on Perpendicular Radial Segment is Tangent to Circle