Question

Find the lengths of the missing side. Round your answer to the nearest tenth

Answer 1

The answer is 13.23
a^2 + b^2 = c^2
a^2 + 15^2 = 20^2
a^2 + 225 = 400
a^2 = 175
a = 13.23

Answer 2

13.2

Explanation:

using the Pythagorean theorem:

L² = 20² - 5²

L² = 400 - 225 = 175

L = 13.23