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16 October, 00:28

A rectangle has an area of 112cm. The length and width of the rectangle are changed by a scale factor of 1.5. What is the area of the new rectangle?

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  1. 16 October, 03:51
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    252 cm²

    Step-by-step explanation:

    Area of a rectangle is width times length:

    A = WL

    If the width and length increase by a factor of 1.5:

    A = (1.5 W) (1.5 L)

    A = 2.25 WL

    So the area increases by a factor of 2.25.

    2.25 * 112 cm² = 252 cm²
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