Sector area = 0.5 * r^2 * angle (in radians)
so:
16 pi = 0.5 * r^2 * (90*pi/180)
r^2 = 16 pi /(0.25 pi) = 64
r = 8
therefore it would be d
D
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5x9= 45 remainder3 which means it 9 3/5
Answer:
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Step-by-step explanation:
Answer:
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Step-by-step explanation:
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