Q1 (a) Prove the Power of a point theorem: Two intersecting lines cut a circle at points A, B and C,D respectively. If the lines intersect at P, then |PA| · |PB| = |PC| · |PD|. (b) State and prove the converse of the Power of point theorem. (c) Use part (b) to show that the vertices of any rectangle are co-circular.
Q1 (a) Prove the Power of a point theorem: Two intersecting lines cut a circle at points A, B and C,D respectively. If the lines intersect at P, then |PA| · |PB| = |PC| · |PD|. (b) State and prove the converse of the Power of point theorem. (c) Use part (b) to show that the vertices of any rectangle are co-circular.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.3: Lines
Problem 48E
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