A trapezoid area calculation: If h = 4, b1 = 3, b2 = 5, then A = 1/2 h (b1 + b2). What is A?

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Study for the Geometry CBE Exam. Improve your understanding with multiple choice questions and detailed solutions. Prepare effectively for your exam!

Multiple Choice

A trapezoid area calculation: If h = 4, b1 = 3, b2 = 5, then A = 1/2 h (b1 + b2). What is A?

Explanation:
The area of a trapezoid is found by multiplying the height by the average of the two bases. With h = 4, b1 = 3, and b2 = 5, the average of the bases is (3 + 5) / 2 = 4. Multiply by the height: A = 4 × 4 = 16. So the area is 16, which matches the standard formula A = (1/2) h (b1 + b2).

The area of a trapezoid is found by multiplying the height by the average of the two bases. With h = 4, b1 = 3, and b2 = 5, the average of the bases is (3 + 5) / 2 = 4. Multiply by the height: A = 4 × 4 = 16. So the area is 16, which matches the standard formula A = (1/2) h (b1 + b2).

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