Purple Comet 2018 MS problem 10
Source:
March 19, 2020
geometry
Problem Statement
The triangle below is divided into nine stripes of equal width each parallel to the base of the triangle. The darkened stripes have a total area of . Find the total area of the light colored stripes.
https://cdn.artofproblemsolving.com/attachments/0/8/f34b86ccf50ef3944f5fbfd615a68607f4fadc.png