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Mathematics 18 Online
OpenStudy (anonymous):

The radius of a circle measures twenty centimeters. What is the length of its diameter?

OpenStudy (k_lynn):

The radius of a circle is always half of the diameter. So you can find the radius by multiplying 20 by 2.

OpenStudy (k_lynn):

What do you get when you multiply that? \[20\times2\]

OpenStudy (kendricklamar2014):

\[Radius = Diameter / 2\]

OpenStudy (kendricklamar2014):

So like @k_lynn said, what is:\[20 * 2\]

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