MathDB
2016 Chandigarh RMO find K,L on the BC,CD so (ABK)=(AKL)=(ADL), rect.ABCD

Source:

August 9, 2019
geometryrectangleareasarea of a triangle

Problem Statement

Given a rectangle ABCDABCD, determine two points KK and LL on the sides BCBC and CDCD such that the triangles ABK,AKLABK, AKL and ADLADL have same area.