The area is another way of say perimeter. it's the inside area of the rectangle
It is 22 my guy because i think it is 22
total surface area Stot = 1180 in2
lateral surface area Slat = 920 in2
top surface area Stop = 130 in2
bottom surface area Sbot = 130 in2
31/40
replace 77.5 with 775/10
simplify to get 155/2
divide by 100 to get 31/40
