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

1 Answer
Lucy
May 23, 2018

the width is 2cm and the length is 7cm

Explanation:

Let the width be #x# cm
then the length be #x+5# cm

The perimeter of the rectangle is given by 2 x width + 2 x length

#2x+2(x+5)=18#
#2x+2x+10=18#
#4x=8#
#x=2#

Therefore, the width is 2cm and the length is 7cm

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