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20-04-2017
Mathematics

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The circumference of a circle is 8pi cm. What is the RADIUS of the circle?

a) 2 cm

b) 4 cm

c) 6 cm

d) 8 cm

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Equanimity Equanimity

20-04-2017

the circumference of a circle is 2PiR.
Since we're just left with 8Pi, we can divide 8 by 2 to get the Radius.
Our radius is 4.
Your answer is B.)

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