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To find the area of an isosceles trapezoid, we can use the formula:
Area = (1/2) * (a + b) * h
Where a and b are the lengths of the parallel bases and h is the height.
Let's assume the bases of the trapezoid are 10 inches and 15 inches, and the height is 7 inches.
Area = (1/2) * (10 + 15) * 7
Area = (1/2) * 25 * 7
Area = 87.5 square inches
Therefore, the area of the isosceles trapezoid is 87.5 in^2.
None of the provided answer options match the calculated area, so it seems there was an error in either the dimensions of the trapezoid or the choices provided.