Power Of A Point Formulas
- Author:
- YenYi Peng
Power Of Point Formulas
1. Two tangents from a point to a circle are always equal
2. A tangent and a secant from a point, we have ....
3. Two secants from a point, we have.....
4. Two cords through a point, we have.....
Red Points are movable.
Reference
1. The Art of the Problem Solving by Sandor Lehoczky and Richard Rusczyk