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A circle has a radius of 8 cm. A good estimate for the Circumference of the circle is 24 cm.

A circle has a radius of 8 cm. A good estimate for the Circumference of the circle is 24 cm.
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A circle has a radius of 8 cm. A good estimate for the Circumference of the circle is 24 cm.

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User Dan Stowell
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The circumference of a circle is π × diameter, so if the radius is 8, that means the diameter is 16. If you want an estimate, you could do 16 × 3 = 48, which is probably more accurate. I hope this helps!
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User Himanshu P
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