Answer:
Step-by-step explanation:
surface area = bh + L(s1 + s2 + s3)
where b = 2.5 ft.
h = 6 ft.
s1 = 6.5 ft.
s2 = 6 ft.
s3 = 2.5 ft.
L = 8 ft.
<u>plugin values into the formula: </u>
A = 2.5*6 + 8(6.5 + 6 + 2.5)
= 15 + 8(15)
= 135 ft²
the 2nd, 3rd, 5th
i hope this helps :)
60, 100 = 300
hope this helps