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C = 20.1 cm

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Q: What is the circumference of a 6.4 cm circle?
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What is the circumference of a circle 64 cm converted to inches?

The circumference of a circle with a diameter of 64 cm is 201 cm. Since 1 cm is equal to about 0.394 inches: 201 x 0.394 = a circumference of 79.194 inches.


What is the circumference of a circle when area is 324cm square?

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The circumference of a circle with the diameter of 2.7 cm is 8.5 cm


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