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26 April, 18:00

In the bull's-eye shown above, /, and /. Calculate the area of the red ring of the bull's-eye. Round the answer to the nearest tenth.

A. 28.3 in.²

B. 60.75 in.²

C. 63.6 in.²

D. 190.9 in.²

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  1. 26 April, 18:30
    0
    AB = 4.5 in, AC = 9.0 in

    The area of the red ring:

    A = 9.0² π - 4.5² π =

    = 81 π - 20.25 π =

    = (81 - 20.25) · 3.14 =

    = 60.75 · 3.14 = 190.852 ≈ 190.9 in²

    Answer: D) 190.9 in²
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