1. If the lengths of the two parallel sides of a trapezium are 7 cm and 9 cm and its area is 80 cm2. Find the distance between its parallel sides (in cm).
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By: anil on 05 May 2019 02.05 am
Let distance between parallel sides = height of trapezium = $$h$$ cm => Sum of lengths of parallel sides = $$7+9=16$$ cm => Area of trapezium = $$frac{1}{2} imes$$ (sum of parallel sides) $$ imes$$ height => $$frac{1}{2} imes16 imes h=80$$ => $$h=frac{80}{8}=10$$ cm => Ans - (B)
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