Question

What is the length of the third side of the window frame below?

(Figure is not drawn to scale.)
58 in
42 in
a
16 inches
b
20 inches
с
40 inches
d
50 inches

Answer 1

C 40 inches

Explanation:

You can use the pythagorean theorem to solve for the second leg. When you plug in 42 for a and 58 for c, you get 42^2 + b^2 = 58^2, then you can isolate b, which should be 40 inches.