Question

Allowing for a 4-ft overhang, how long a rafter is needed for the gable of the house in the house in the figure shown to the right?

Answer 1

Applying the Pythagorean Theorem

we have that

Let

x ----> the missing side

x^2=5^2+10^2

x^2=25+100

x^2=125

x=11.2 ft

the answer is 11.2 ft