The length of a rectangle is twice its width. if the perimeter of the rectangle is 60 yd , find its area.

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09-08-2017
Mathematics

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The length of a rectangle is twice its width. if the perimeter of the rectangle is 60 yd , find its area.

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ghanami ghanami · Answer 1 · 2017-08-09T12:49:07+02:00

ghanami ghanami

09-08-2017

hello :
let : x the length y the width
x = 2y...(1)
2(x+y) =60 ..(2)
subsct in (2) : 2(2y+y)=60
y = 10 yd
x= 20 yd
the area is : xy = 10× 20 = 200 yd²

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