Find the circumference, in inches, of a circle with a diameter of 6.9 inches. Round to the nearest whole inch.

asked Jan 16, 2016 221k views

3 votes

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to find the circumference C you use the formula C=pi(d)

diameter:6.9 in.

pi:3.14

6.9*3.14=21.666

rounded:22 inches

Max Bates answered Jan 18, 2016

6.5k points

3 votes

$\sf C=d* \pi \\ C=3,14*6,9 \\ C=21,666=\boxed{\sf \approx 22~inches}$

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