Answer:
A = 322 ft²
Explanation:
the area (A) of a trapezoid is calculated as
A = h (b₁ + b₂ )
where h is the perpendicular height between the bases and b₁, b₂ the bases
here h = 14, b₁ = 35 , b₂ = 11 , then
A = × 14 × (35 + 11) = 7 × 46 = 322 ft²
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h (b₁ + b₂ ) × 14 × (35 + 11) = 7 × 46 = 322 ft²