The roof truss for a residential structure is shown. This truss is symmetric about its centerline (member CG), and angles AHB, HGC, and GFD are each 90 degrees.
a) Find each angle within the truss.
b) How many linear feet of lumber are required to fabricate this truss?
Extracted text: B. D. 16 ft F 1/4 8 ft 8 ft 8 ft 8 ft PROB. 1.26