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24 May, 09:07

The perimeter of a rectangle is 63cm. The length is 4cm more than its width. Find the dimensions of the rectangle

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  1. 24 May, 09:11
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    O=63cm

    a=b+4

    O=2a+2b

    O=2 (b+4) + 2b

    O=2b+8+2b

    63=4b+8

    4b=63-8

    4b=55

    b=55/4=13.75

    a=13.75+4=17.75
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