MathDB
double segment given, equal segments wanted

Source:

August 4, 2019
geometryequal segmentsmidpoint

Problem Statement

Let ABCABC be a triangle, PP the midpoint of BCBC, and QQ a point on segment CACA such that CQ=2QA|CQ| = 2|QA|. Let SS be the intersection of BQBQ and APAP. Prove that AS=SP|AS| = |SP|.