Question

The area of trapezium is 12sq.m .If it's height be 3cm ,find the sum of its parallel sides.

Answer 1

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Answer 2

the area of trapezium is :-

1/2{sum of parallel sides} ×h

since,  1/2{a+b}×3=12

           {a/2+b/2}×3=12

            3a+3b=12×2

            3a+3b=24

           a+b=8