The length of a rectangle is 8 cm more than it's width. The perimeter is 68 cm. Find the length and the width of the rectangle.

Question

Mathematics

Aidyn Burgess

27 September, 10:56

The length of a rectangle is 8 cm more than it's width. The perimeter is 68 cm. Find the length and the width of the rectangle.

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Answers (1)

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Pedro · Answer 1

To solve this we need to form an equation, using L for length and W for width

Perimeter=2L+2W

68=2L+2W

Because the length is 8cm more than the width we can say it is W+8.

68=2 (W+8) + 2W

68=2W+16+2W

68=4W+16

52=4W

W=13cm

L = (13+8) = 21cm