Question

Can anyone help me with this?

Answer 1

Option B is correct

Explanation:

the hypotenuse of the triangle on the right side is

h²= 3² + 4²

h²= 25

h=5

the x is

13² = 5² + x²

13² - 5² = x²

169 - 25 = x²

144 = x²

12 = x