PLEASE HELP The figure shows part of a common roof design using a very strong and stable triangular truss. Points B, C,D, F,G, H,
and J are midpoints of AC, AE, CE, GEHE, AH, and Al respectively.
A
B
Truss: the
frame of a
roof
28
20 ft
4 ft
D
E
H Н
14 ft
IF AE 28 feet, then how much lumber, in feet, would be needed to build the following truss? Label both the
diagram and the equation below in order to find the total necessary. (3 points)
I
20 + 14 + 28 +
AH HE
DF DG
CG CH IC IB JB
+
+
+
II
AE