If the height of trapezium is 7cm and sum of parallel sides is 12cm,area of trapezium is
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Area = 1/2 x sum of parallel sides x distance between them = 1/2 x 12 x 7 cm² =
42 cm²
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Area of trapezium ABCD = Area of ∆ ABD + Area of ∆ CBD
= 1/2 × a × h + 1/2 × b × h
= 1/2 × h × (a + b)
= 1/2 (sum of parallel sides) × (perpendicular distance between them)
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