csnyder85 csnyder85

23-05-2018
Mathematics

contestada

The length of a rectangle is twice its width. the perimeter of the rectangle is 90 cm. what are the length and width?

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pepetheskunkcat pepetheskunkcat

23-05-2018

L = 2w

2w + 2(2w) = 90
2w + 4w = 90
6w = 90
w = 15

L = 2(15)
L = 30

Length is 30 and width is 15

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