The length of a rectangle is twice of its breadth.If its perimeter is 60cm.Then find its length.
The length of a rectangle is twice of its breadth.If its perimeter is 60cm.Then find its length.
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Answer:
let the breadth of the rectangle be x
, therefore, the length will be 2x
the perimeter of a rectangle =2(l+b)
60=2(2x+x)
60÷2=2x+x
30=3x
30÷3=x
x=10cm
therefore length =2x=2(10)= 20cm