Find the area of trapezoids and composite shapes
Trapezoid: half the sum of the parallel sides times the height. For an L-shape, subtract the missing piece.
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A trapezoid has parallel sides of 9 cm and 2 cm and a height of 4 cm. What is its area in square centimeters?
Answer: 22
A trapezoid has parallel sides of 10 cm and 6 cm and a height of 7 cm. What is its area in square centimeters?
Answer: 56
A trapezoid has parallel sides of 3 cm and 2 cm and a height of 10 cm. What is its area in square centimeters?
Answer: 25
Tip: Trapezoid: half the sum of the parallel sides times the height. For an L-shape, subtract the missing piece.
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