MathDB
equal segments in trapezoid

Source: 2005 Bosnia & Herzegovina JBMO TST p4

May 27, 2020
trapezoidgeometryequal segments

Problem Statement

The sum of the angles on the bigger base of a trapezoid is 90o90^o. Prove that the line segment whose ends are the midpoints of the bases, is equal to the line segment whose ends are the midpoints of the diagonals.