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Mathematics, 13.12.2019 12:31 babyari18

Adartboard consists of two concentric circles. the probability of hitting the inner circle is
64%. if the outer circle has a diameter of 20 inches, what is the radius of the inner circle?

2 inches
4 inches
8 inches
16 inch

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Adartboard consists of two concentric circles. the probability of hitting the inner circle is
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