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18 March, 18:52

The perimeter of Rectangle A is four times that of Rectangle B. Rectangle B is

7 cm long and 2 cm wide. Given that Rectangle A and Rectangle B are similar,

what is the perimeter of Rectangle A?

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Answers (2)
  1. 18 March, 18:55
    0
    perimeter of rectangle b is 2 (l+b) = 2 (7+2) = 18 cm

    perimeter of rectangle a = 4*18 = 72 cm
  2. 18 March, 19:12
    0
    72 cm

    Step-by-step explanation:

    P=2 (l+b) (perimeter of a rectangular equals the distance around)

    P=2 (7+2)

    P=2*9

    P=18

    Perimeter A=4*perimeter B

    4*18=72
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