Question

Which best describes the error in finding the missing length of the triangle?

(By the way, ignore the one I clicked below, since I am not sure if it is right.)

Answer 1

24 ft

Explanation:

a^2 + b^2 = c^2

7^2 + b^2 = 25^2

7^2 - 25^2 = -b^2

49 - 625 = -b^2

-576 = -b^2

24 = b