The length and breadth of a rectangle are in the ratio 9:7 find the perimeter on the rectangle if its length is 486 cm
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Step-by-step explanation:
ratio of length to breadth is9:7
=9/7 = 486/x
486/9 = 54
x = 54×7 = 378cm
perimeter = 378cm +378cm +486cm +486cm
=1722cm
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