Question

Triangle A B C is a right triangle. Find the missing side length.

a = 12, b = ? , c = 15


Please answer becuase I’m having a really hard time lol Thanks!

Answer 1

9

Explanation:

a² + b² = c^2

12^2 + b^2 = 15^2

144 + b^ = 225

225 - 144= 81

b^2 = 81

square root both sides

b = 9