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18 September, 18:12

If the rectangle below is englarged using a scale factor of two what will be the perimeter and area of the new rectangle

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  1. 18 September, 19:27
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    The perimeter will be enlarged by 2 and the area is enlarged by 4.

    Step-by-step explanation:

    The perimeter is the distance around the rectangle. If the side lengths are enlarged by 2 then the distance around the shape will be enlarged 2.

    The area of a rectangle is A = L*W. If the the L and W are doubled then the

    A = 2L*2W = 4L*W

    So the area is enlarged by 4.
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