Here's the question you clicked on:
Adorkable
A baseball diamond forms a square of side length :27.4m. Sarah says she used a special triangle to calculate the distance between home plate and second base. Describe how Sarah might calculate this distance.
This is your baseball diamond |dw:1363753119120:dw| since it is a square then the two sides and the distance between home and second form a right triangle. You can then use the pythagorean theorem to solve.