Question

Find the length of the third side. If necessary, round to the nearest tenth.
20
10

Answer 1

Looking for one leg of right triangle

pythg theorem hypotenuse^2 = leg1 ^2 + leg2 ^2

9^2 = 5^2 + leg2 ^2

legg 2 = sqrt (9^2 - 5^2) = sqrt 56 = 2 sqrt 14