a. In this figure, Dev wants to add a metal trim around the perimeter of the sign. So,
7 +3.5+35+2+2+1/2*3*3= 18+ 4.71= 22.71 ft.
b. Area = L x W = 7*3.5= 24.5 ft2
c. 1 pin has 20 ft2 so 24.5 ft2 x 1 pin /20 ft2 = 1.225 pin
