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Answer:
A = 46.74 mi²
Explanation:
the area (A) of a trapezoid is calculated as
A = (b₁ + b₂ )
where h is the perpendicular height between the bases b₁ and b₂
here h = 8.2 , b₁ = 9 , b₂ = 2.4
then
A = × 8.2 × (9 + 2.4) = 4.1 × 11.4 = 46.74 mi²
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