organize the pieces here so that they solve for the hypotenuse

Answer:
Solve by using the steps of the Pythagorean Theorem. The answer is down below.
Step-by-step explanation:
1) a^2 + b^2 = c^2
2) 15^2 + 20^2 = c^2
3) 225 + 400 = c^2
4) 625 = c^2
5) √625 = √c^2
6) 25=c