Constant Ratio in Intersecting Circles
Circle O and P intersect, as shown. Point Q is freely chosen on circle P, and R is determined on circle O as shown.
Prove that the ratio AP:AR is constant as Q moves around circle Q. O, P, Q, and A are variable points.
Introduction to GeoGebra
Rotation about the origin
Маркус Тоуру ось симметрии
Tangent Line or Tangent