Answer:
158 m²
Step-by-step explanation:
Get the area of all the faces, then add them
2(8 x 3) = 48
2(3 x 5) = 30
2(8 x 5) = 80
48 + 30 + 80 = 158
{8, 16, 24, 32}int.{16, 32, 48}={16, 32}
175 - 97.5 = 77.5
77.5 / 97.5 = 0.7948 = 79.5%
answer
<span>79.5%</span>