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24 April, 03:57

The radius of the circle below is (4x + 1) centimeters What is the area of the circle in terms of pie

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  1. 24 April, 05:03
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    Hello from MrBillDoesMAth!

    Answer: Pi * (4x + 1) ^2.

    Discussion:

    The area of a circle with radius "r" is given by the formula Pi * r^2. In our case, r = 4x+1, so by substitution:

    Area = Pi * r^2 = Pi * (4x + 1) ^2.

    That's it. Now the formula can be expanded but it offers no greater insight.

    Area = Pi * (4x + 1) ^2 = Pi * (16x^2 + 8x + 1)

    Regards, MrB.
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