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A rectangle has a perimeter of 18cm. Its length is 5 cm greater than its width. Find the dimensions.

A rectangle has a perimeter of 18cm. Its length is 5 cm greater than its width. Find the dimensions.
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A rectangle has a perimeter of 18cm. Its length is 5 cm greater than its width. Find the dimensions.

User Johnjullies
by
8.5k points

1 Answer

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length, l
width, w

l = w + 5

18 = 2l + 2w
9 = l + w
9 = w + 5 + w
4 = 2w
w = 2

l = w + 5
l = 7

length = 7 cm
width = 2 cm
User Daniele Dellafiore
by
8.8k points
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