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12 November, 05:43

jake is placing a mat of width w+4 around a 40 cm by 50 cm portrait. write an expression for the perimeter of the outer edge of the mat

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  1. 12 November, 05:52
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    P = 180 cm.

    Step-by-step explanation:

    Perimeter = 2 Lengths + 2 Widths

    P = 2l + 2w

    P = (2 * 40) + (2 * 50)

    P = 80 + 100

    P = 180 cm.
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