1) a=2(wl+hl+hw)
w=24
l=18
h=15
a=2(24*18+15*18+15*24)
a=2124----> D
2) so we find the rectangular sides first:
6.4*7*2=89.6 (there are two rectangular sides so we multiplied by 2)
Then triangular sides (front and back)
1/2*5*8 *2= 40
Lastly, the bottom made of the same material:
8*7= 56
Add it all together 89.6+40+56=185.6 ft^2
A
3) C
4) F
