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27 December, 13:58

Joe is looking for a new laptop case. His computer is 18 x 13.5 inches. What is the perimeter and area of the laptop case?

Perimeter:

Area:

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Answers (2)
  1. 27 December, 14:25
    0
    Perimeter = 63 inches

    Area = 243in²

    Step-by-step explanation:

    Given data

    Length of computer = 18in

    Width of computer = 13.5in

    From the given data the computer has a rectangular shape

    Perimeter of the computer = L+L+W+W = 2L+2W

    Perimeter = 2 (18) + 2 (13.5)

    Perimeter = 36+27=63 inches

    Area of rectangular shape = L*W

    Area = 18 x 13.5 = 243in²
  2. 27 December, 14:27
    0
    Perimeter: 63 inches

    Area : 243 square inches

    Step-by-step explanation:

    Hi, to answer this question w eave to apply the next formulas:

    Perimeter of a rectangle: (2 x width) + (2 x length)

    Area of a rectangle: width x length

    Replacing with the values given:

    Perimeter: 2 (18) + 2 (13.5) = 36+27 = 63 inches

    Area = 18 x 13.5 = 243 square inches

    Feel free to ask for more if needed or if you did not understand something.
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