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9 October, 01:51

Correct + Best explanation gets brainliest.

The perimeter of a rectangle is 72 cm. The length, l, of the rectangle is 6 cm longer than the width, w.

What is the width of the rectangle?

A. 10 cm

B. 8 cm

C. 15 cm

D. 33 cm

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Answers (2)
  1. 9 October, 03:30
    0
    Step-by-step explanation:

    Perimeter = 2 x (length + width)

    72 = 2 x (l + w)

    Because l = w + 6

    72 = 2 x (w + 6 + w)

    = 2 x (2w + 6)

    = 4w + 12

    4w = 60

    w = 15 cm

    The answer is C.
  2. 9 October, 03:44
    0
    let length of the rectangle be l

    length is 6 cm longer than the width, w

    l = w + 6

    perimeter of rectangle is 72 cm

    = 2l + 2w

    substitute l = w + 6

    2 (w+6) + 2w = 72

    4w + 12 = 72

    4w = 60

    x = 15

    ans is C. 15 cm
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Home » Mathematics » Correct + Best explanation gets brainliest. The perimeter of a rectangle is 72 cm. The length, l, of the rectangle is 6 cm longer than the width, w. What is the width of the rectangle? A. 10 cm B. 8 cm C. 15 cm D. 33 cm
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