The length of a rectangle is three times it's width. If the perimeter of the rectangle is 40m, find its area

Question

Mathematics

Kasen Tapia

24 March, 20:49

The length of a rectangle is three times it's width. If the perimeter of the rectangle is 40m, find its area

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Answers (1)

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Kadence Giles · Answer 1

Answer: let the width of the rectangle be x m then the length would be 3x m.

as perimeter = p = 2 (l+b)

40 = 2 (3x+x)

40 = 8x

x=40/8=5m

width = 5m and length = 15m

area = length x breadth

a = 5*15 = 75metresquare