Answer:
A = 56 in²
Explanation:
the area (A) of a trapezoid is calculated as
A = h (b₁ + b₂ )
h is the perpendicular height between bases and b₁, b₂ the bases
here h = 7 , b₁ = 10 , b₂ = 6 , then
A = × 7 × (10 + 6) = 3.5 × 16 = 56 in²
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h (b₁ + b₂ ) × 7 × (10 + 6) = 3.5 × 16 = 56 in²