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2 answers:
So the total area will be two times the area of the trapezoid described for the top half.
The area of a trapezoid is:
A=h(b1+b2)/2 so two times that area is:
A=h(b1+b2), and we can see that h=12, b1=16, and b2=30 so
A=12(16+30)
A=552 in^2
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