Circle Cheat Sheet


Circle Cheat Sheet

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File Size 389.97 KB
File Type pdf
Create Date December 3, 2014
Last Updated April 8, 2017
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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