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31 December, 04:04

The width of a rectangle is 9 cm. The perimeter is 40 cm. What is the length of the rectangle?

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Answers (2)
  1. 31 December, 06:46
    0
    11

    Step-by-step explanation:

    2 (l+w)

    40 = 2 (9+x)

    40 = 18+2x

    Subtract 18 from 40

    22=2x

    Divide 2x by itself and 22

    11=x or x=11
  2. 31 December, 07:55
    0
    it is 11 cm I think ✌because I did the math and got

    11 cm hope this is right
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