MathDB
ASU 092 All Soviet Union MO 1967 rhombus

Source:

June 20, 2019
geometryrhombus

Problem Statement

Three vertices KLMKLM of the rhombus (diamond) KLMNKLMN lays on the sides [AB],[BC][AB], [BC] and [CD][CD] of the given unit square. Find the area of the set of all the possible vertices NN.