Question

Find the missing side: What’s the missing side

Answer 1

Answer:

B

Step-by-step explanation:

Using Pythagoras' identity in the right triangle.

The square on the hypotenuse is equal to the sum of the squares on the other 2 sides, that is

x² = 13² + 4² = 169 + 16 = 185 ( take the square root of both sides )

x = $\sqrt{185}$ ≈ 13.6 ( to 1 dec. place ) → B