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8 November, 14:24

4.

The length of a rectangle is 4 cm more than the width and the perimeter is at least 48 cm.

What are the smallest possible dimensions for the rectangle?

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Answers (1)
  1. 8 November, 14:42
    0
    length = 14cm; width = 10 cm

    Step-by-step explanation:

    let the width be ' x '.

    let the length be ' 4 + x '

    perimeter = 48 cm

    perimeter of a rectangle = 2 (l + b)

    2 (l + b) = 48

    2 (4 + x + x) = 48

    2 (4 + 2x) = 48

    (2*4) + (2*2x) = 48

    8 + 4x = 48

    4x = 48 - 8 = 40

    x = 40/4 = 10

    width will be 10 cm and length will be 14 cm
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