1. The length of two parallel sides of a trapezium are 15 cm and 20 cm If its area is 175 sq.cm, then its height is :
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By: anil on 05 May 2019 02.19 am
Sum of the two parallel sides of the trapezium = $$15+20=35$$ cm Let its height = $$h$$ cm => Area of trapezium = $$frac{1}{2} imes$$ (sum of parallel sides) $$ imes$$ height => $$frac{1}{2} imes35 imes h=175$$ => $$h=frac{175}{35} imes2$$ => $$h=5 imes2=10$$ cm => Ans - (A)
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