Question

If g = 77 cm and h = 85 cm, what is the length of f?

A.

36 cm

B.

39 cm

C.

115 cm

D.

33 cm

Answer 1

Using the the Pythagorean theorem, the answer is C. 115 cm

Here's how you solve it:
(77^2)+(85^2) = f^2
5929+7225 = f^2
13154 = f^2
f = √13154
f = 114.69
f ≈ 115