Answer:
Surface Area: 99.852
Volume: 71.592
9514 1404 393
123.6 m²
Step-by-step explanation:
The area is given by the formula ...
A = (AB)(AD)sin(∠A)
A = (7 m)(20 m)sin(62°) ≈ 123.6 m²
maybe "non-included"?
1200 x 0.15 = 180
so company a is cheaper by 180 dollars