12.64911064067352 feet

is the hypotenuse, the length of the "C" side of the triangle.

Correct!

Solution

A roofing contractor needs to calculate how much material to purchase to finish the roof. He doesnt have a ladder to get the length of the rafters. Calculate the measurement using the Pythagorean Theorem.

Calculate the hypotenuse of the triangle to the nearest hundredth.

C =

start by using the equation:

a2 + b2 = c2

a = 12 , b = 4

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to see how we figured it out.

The correct answer is:

12.64911064067352 feet

Incorrect.