triangle ruler construction, equal area trapezoid (2011 Kyiv City MO 10.3)
Source:
July 14, 2020
geometrytrapezoidconstructionRulerTriangle
Problem Statement
A trapezoid with bases and is drawn on the plane. Using only with a ruler, construct a triangle whose area is equal to the area of the trapezoid. With the help of a ruler you can draw straight lines through two known points.(Rozhkova Maria)