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6 November, 08:34

Shawn is putting a border around his rectangular computer screen. If his screen is 17 inches long by 11 inches wide, what is the perimeter of his computer screen?

Select one:

A. 56 inches

B. 28 inches

C. 112 inches

D. 187 inches

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Answers (2)
  1. 6 November, 08:35
    0
    Perimeter = 2 * (length + width) = 2 * (17 in + 11 in) = 2*28 in = 56 in

    selection A is appropriate
  2. 6 November, 09:00
    0
    17+17+11+11=56 the perimetre is 56 inches
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