The breadth of a rectangle is half of its length . if its perimeter is 30 metres, find its length and area .
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length = l
breadth= l/2
perimeter = 30 metres
perimeter of a rectangle = 2(l+b)
= 2x l + l/2
= 30
= 30÷ 2
=15
= l+l/2= 15
length = 10 metres
breadth= 5 metres
finding Area
Area of a rectangle = lxb
= 10x5
50 metres
Answer : length = 10metres , breadth = 5metres, Area = 50 metres
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