singletonkirk singletonkirk

11-10-2017
Mathematics

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the length of a rectangle is 3 ft longer than its width if the perimeter of the rectangle is 26 feet find its area

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anthatiramesh16 anthatiramesh16

11-10-2017

let width=x
length=3+x
perimeter=26
2(l+b)=26
2(3+x+x)=26
2(3+2x)=26
6+4x=26
4x=26-6
x=20/4=5. l=3+5=8. width=5
area of =l*b
=8*5=40

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