Home » Circle Cheat Sheet
Download | 1942 |

Stock | ∞ |

File Size | 389.97 KB |

Create Date | December 3, 2014 |

Download (PDF) |

## Circle Cheat Sheet

### Concepts Covered

- Standard Equation
- Equation with known center and radius
- Equation with known end-points of diameter
- General Equation
- Position of a point w.r.t. a Circle
- Equation of Tangents: Slope Form and Point Form
- Length of the Tangent from an External Point
- Equation of Normal: Slope Form and Point Form
- Chord of Contact
- Chord with known Mid-Point
- Family of Circles
- Angle of Intersection of Circles
- Orthogonal Intersection
- Radical Axis
- Relative Position of Two Circles
- Common Tangents to Two Circles