A trapezoid has parallel sides of 8 and 12 and a height of 5. What is its area?
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Correct!
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Correct answer to question 41 (Mathematics Knowledge): 50
Method
Average the two parallel sides, then multiply by the height. The average is (8 + 12) / 2 = 10, and 10 x 5 = 50. Forgetting to average gives 100.
Updated: November 2026
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