SOLUTION: the length of a rectangle is 3 cm greater than its width. the perimeter is 24 cm. what are the dimensions
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Question 497478: the length of a rectangle is 3 cm greater than its width. the perimeter is 24 cm. what are the dimensions
Answer by cleomenius(959) (Show Source): You can put this solution on YOUR website!
l = x + 3
w = x
2(x) + 2(x + 3) = 24
4x + 6 = 24
4x = 18 cm.
x = 4.5 cm. This is the width.
3 + 4.5 = 7.5 cm. This is the length.
2(4.5) + 2(7.5) = 24 cm.
This does check.
Cleomenius.
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