A section of sidewalk is poured at an angle where it meets the road. The shape of the section of sidewalk that is poured is a trapezoid, as shown. The area of a trapezoid is represented by the formula A=12(b1+b2)h
, where b1
and b2
represent the lengths of the bases, and h
represents the height.



Which equation represents the area of the trapezoidal section of sidewalk?

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