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15 October, 01:34

What is the difference in area between a cookie cut from a cutter that has a diameter of 4 inches and a cookie cut from a cutter with a radius of 3 inches? Round to the nearest tenth.

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  1. 15 October, 02:03
    0
    15.7

    Step-by-step explanation:

    Assuming they are circular, just to clarify.

    First cutter:

    A=pi*r^2

    r=d/2

    d=4

    r=2

    pi*2^2

    3.14*4

    Second cutter:

    r=3

    pi*3^2

    3.14*9

    Differences:

    3.14*9-3.14*4

    3.14 * (9-4)

    3.14*5

    15.7

    Notes: I used 3.14 as pi as it does not need to be any longer for rounding to the tenths place. To sum it up, I found the areas of each cutter, assuming that they are circles, then calculated the difference.
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