Klopez43KL Klopez43KL

11-03-2015
Mathematics

Answered

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

Verified Answer :

secret13 secret13

11-03-2015

L = W + 5

2L + 2W = 18

2 (W+5) + 2W = 18

2W + 10 + 2W = 18

4W = 18 - 10

4W = 8 ÷ 4

~~~~~~~~~~~~~~~~~~~~~~

W = \(\frac{8}{4}\) = \(\frac{2}{1}\) = 2
L = 2 + 5 = 7

Width = 2 cm
Length = 7 cm

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