Question

What is the span of the roof? A. 4 ft B. 12 ft C. 18 ft D. 24 ft

Answer 1

D. 24 ft

Explanation:

The slope of 1/3 means the rise is 1/3 the run for each half of the span. The rise is shown as 4 ft, so the half-span is 3·4 ft = 12 ft.

The span of the roof is 24 ft.