Power Of A Point Formulas

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