MathDB
2 // lines intersect a square (2023 Novosibirsk Oral Geo Oly 8.7)

Source:

September 4, 2023
geometrysquareParallel Lines

Problem Statement

A square with side 11 is intersected by two parallel lines as shown in the figure. Find the sum of the perimeters of the shaded triangles if the distance between the lines is also 11. https://cdn.artofproblemsolving.com/attachments/9/e/4e70610b80871325a72e923a0909eff06aebfa.png