MathDB
area chasing in a triangle 1991 Kyiv City MO 9.3

Source:

July 19, 2021
geometryareas

Problem Statement

The point MM is the midpoint of the median BDBD of the triangle ABCABC, the area of ​​which is SS. The line AMAM intersects the side BCBC at the point KK. Determine the area of ​​the triangle BKMBKM.