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"If a circle has diameter 10 units, what is its circumference? What is its area?
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"If a circle has diameter 10 units, what is its circumference? What is its area?

User Diazlp
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To find the circumference of a circle using its diameter you would use πd.

If π ≈ 3.14 and d = 10 units
3.14 * 10 = 31.4 units

The answer is approximately 31.4 units.
User Aless Hosry
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