makilasalyers9owamr1 makilasalyers9owamr1
  • 15-09-2017
  • Mathematics
contestada

the length of a rectangle is 3 times the width. the perimeter is 96cm. find the length and width.

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Allysia123
Allysia123 Allysia123
  • 15-09-2017
let it's width be x
then, it's length = 3x

perimeter of a rectangle = 2 (l+b)
96 = 2 (3x+x)
96 = 8x
12 = x


so the widthe of that rectangle = 12cm and it's length = 3 (12) = 36cm.
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