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the breadth of a rectangular field at 60% of its length if the perimeter of the field is 256 metre then its area is |
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Answer» -step EXPLANATION:b = l × 0.6 b/l = 6/10 = 3/5ratio of l and b is l:b :: 5 : 3 perimeter = 2 ( l+ b) = 2 ( 5+3) = 16 16 ratio => 256 m ( given in question)1 ratio => 256/16 = 16mso l = 5×16 = 80 m b = 3× 16 = 48 marea = l×b = 80×48 = 3840 m² |
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