Question

the length of a ractangular playground is twice its width. the perimeter is 30. find it dimensions.

Answer 1

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Answer 2

Let the breadth of the rectangular playground be x
therefore its length=2x
A/q
2 (x+2x)=30
6x=30
x=30/6
x=5
therefore length =2x=2×5=10
breadth =5
now area of rectangular playground =(l×b)sq.unit
(10×5)
=50