Question

Which equation can be used to find the unknown length, a, in this triangle? a² + 15² = 17² 15² + 17²= a² a² + 15 = 17² a + 15² = 17²

Answer 1

Answer is A

Explanation:

its what the guy above me is saying

Answer 2

a^2 + 15^2 = 17^2

Explanation:

This is a right triangle so we can use the Pythagorean theorem

a^2 + b^2 =c^2

where a and b are the legs and c is the hypotenuse

a^2 + 15^2 = 17^2