Question

Find the length of the missing side.

20 ft
21 ft
The length of the missing side is
ft.

Answer 1

c^2 = a^2 +b^2

c^2 = (20 ft)^2 +(21 ft)^2 = 442 ft^2

c = √(442 ft^2) = 21,02 ft

The length of the missing side is 21,02 ft.

Explanation: