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Find the radius and circumference of a CD with a diameter of 4.75 inches.
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Find the radius and circumference of a CD with a diameter of 4.75 inches.

User Savage Henry
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1 Answer

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Radius is half of diameter.
Circumference can be found using the equation C=2(pi)r or C=(pi)d.
r=radius, d=diameter
(pi) is about 3.14 or 22/7
User Edward Samson
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