MathDB
MX=MY wanted, concurrent chords - OMAPA Paraguay 2005.5

Source:

September 14, 2021
geometryequal segmentsChords

Problem Statement

Given a chord PQPQ of a circle and MM the midpoint of the chord, let ABAB and CDCD be two chords that pass through MM. ACAC and BDBD are drawn until PQPQ is intersected at points XX and YY respectively. Show that XX and YY are equidistant from MM.