Since you asked to "come up with a piece" following the math request, here is a short "Mathematical Poem" inspired by the problem:
Three lines meet in a lonely dance,Joined at corners, by some chance.If one stands tall, a perfect square,A triangle is standing there. reshenie zadachi 329 po matematike 5 klass bunimovich
Does your textbook show specific degree measurements for these triangles, or Since you asked to "come up with a