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The distance between two parallel sides of a trapezium is 15 m and its area is 480 m2^2. If one of the parallel sides is 20 m long, then length of the other side is:

Solution

Correct Option: 2

Area of trapezium =12(a+b)×h= \frac{1}{2}(a+b) \times h.

480=12(20+x)×15480 = \frac{1}{2}(20 + x) \times 15.

(20+x)=64(20 + x) = 64, so x=44x = 44 m.

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