40 percent is .4
.4 * 9999= 3999.6
Answer:
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Step-by-step explanation:
Answer:
Step-by-step explanation:
20
The area of a trapezoid is given by the formula:
A = (1/2)×(b₁ +b₂)×h
Substitute the given information and evaluate.
A = (1/2)×(22 ft +20 ft)×(10 ft)
A = (1/2)×(42 ft)×(10 ft)
A = (21 ft)×(10 ft)
A = 210 ft²
The area of the front wall of your shed is 210 ft².