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12 December, 06:05

Use the equation P = 12.6 + 2w to find the perimeter of a rectangle with a width of 9 cm.

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Answers (2)
  1. 12 December, 08:33
    0
    P=12.6+2w

    Plug in the width, which is 9 cm into the equation

    P=12.6 + (2*9)

    P=12.6+18

    P=30.6 cm
  2. 12 December, 09:31
    0
    So, if w=width

    given, width=9cm

    P=12.6+2w

    P=12.6+2 (9)

    P=12.6+18

    P=30.6cm

    the perimeter is 30.6cm
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