1. The lengths of two parallel sides of a trapezium are 21 cm and 9 cm. If its height is 10 cm, then what is the area $$(in cm^2)$$ of the trapezium?
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By: anil on 05 May 2019 01.47 am
Sum of parallel sides of trapezium = 21+9 = 30 cm Height = $$h$$ = 10 cm Area of trapezium = $$frac{1}{2} imes h imes$$ (sum of parallel sides) = $$frac{1}{2} imes10 imes30$$ = $$10 imes15=150$$ $$cm^2$$ => Ans - (C)
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