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Tamiku [17]
3 years ago
7

Someone help me I don’t understand the circumference C=2TTr

Mathematics
1 answer:
Irina-Kira [14]3 years ago
4 0
You are being asked to make π the subject in

C=2πr \:

So divide both sides of the equation by
2r

That is

\frac{ C}{2r} = \frac{2πr}{2r}
The you have
\frac{ C}{2r} = \pi

or

\pi = \frac{ C}{2r}

I hope this is helpful?
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