area, 2 equal rectangles (2022 Novosibirsk Oral Geo Oly 7.5)
Source:
September 2, 2023
geometryrectanglearea
Problem Statement
Two equal rectangles of area are arranged as follows. Find the area of the gray rectangle.
https://cdn.artofproblemsolving.com/attachments/7/1/112b07530a2ef42e5b2cf83a2cb9fb11dfc9e6.png