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3 years ago

9

The formula for circumference of a circle is C=2πr. Solve for r, the radius of the circle.

2 answers:

nirvana33 [79]3 years ago

8 0

R=C/2π when you divide both sides by 2π

Step2247 [10]3 years ago

5 0

By solving for r and switching the eq, r=2PiC

Step-by-step explanation:

r switched to the other side so its r/C=2Pi, C switched to the other side by multiplication as it was a fraction, so we get that r=2PiC

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