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16 April, 15:48

A rectangle has length 12 feet and width 8 feet. Every dimension of the rectangle is multiplied by 3/4 to form a similar rectangle. How is the ratio of the areas related to the ratio of corresponding side

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  1. 16 April, 16:22
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    Let the area of the original rectangle be A₁.

    A₁ = (12 ft) (8 feet) = 96 ft²

    To determine the area of the reduced triangle, let's compute the new dimensions first.

    Length = 12 ft * 3/4 - 9 ft

    Width = 8 ft * 3/4 = 6 ft

    Thus, the area of the new rectangle denoted as A₂ is

    A₂ = (9 ft) (6 ft) = 54 ft

    The ratio of the areas are:

    A₂/A₁ = 54/96 = 9/16

    The ratio of the sides are given to be 3/4.

    Finally the ratios of the area to side would be:

    Ratio = 9/16 : 3/4 = 3/4

    Therefore, the ratio of the areas is 3/4 of the ratio of the corresponding sides.
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