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21 November, 06:42

A rectangle has a perimeter of 84cm and a length of 35cm.

what is the width

+2
Answers (2)
  1. 21 November, 07:13
    0
    width = 7 cm

    Step-by-step explanation:

    length = 35 cm

    Perimeter = 84 cm

    2 * (l + b) = 84

    2 * (35 + b) = 84

    35 + b = 84 / 2

    35 + b = 42

    b = 42 - 35

    b = 7

    width = 7 cm
  2. 21 November, 08:54
    0
    This is so so so so easy. Simply subtract the length times 2 from the perimeter and divide by 2.

    Your answer is 7 cm
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