Question
Using the unit-length method, calculate the total theoretical length of a rafter if the unit rise is 18″, the span is 8′, and the total run is 4′.
A. 86.52″
B. 173.04″
C. 21.63″
D. 64.89″
Is it C?
A. 86.52″
B. 173.04″
C. 21.63″
D. 64.89″
Is it C?