Question

Find the length of the missing side

A. 21

B. 22

C. 23

D. 24

Answer 1

D

Explanation:

Pythag theorem for right triangles

c^2 = a ^2 + b^2

25 ^2 = 7^2 + ?^2

25^2 - 7^2 = ?^2

?^2 = 576

? = 24 units