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12 February, 04:48

A circle with a 12 inch diameter is folded in half and then folded in half again. What is

the area of the resulting shape?

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Answers (1)
  1. 12 February, 07:00
    0
    28.27 in² (estimate) or 9π in² (exact)

    Step-by-step explanation:

    So first find the area of the circle by finding the radius and then using the formula for the area of a circle.

    r=diameter/2

    r=12/2

    r=6

    A=πr²

    A=π*6²

    A=36π in²

    Next you will need to divide by 2 and then by 2 again to find the area of the final shape. Dividing by 2, twice is equal to dividing by 4 once.

    A=36π/4

    A=9π in²

    The exact answer is 9π in², but you can then multiply 9 by π to estimate the area to be 28.27 in²
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