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Emeric · Answer 1 · 2019-01-27T07:17:25+0000

The circumference of a circle is given by:

$C = 2 \pi r$

We can solve for r:

$r = (C)/(2 \pi )$

Plug in given values:

$r = (75.4)/(2 \pi )$

Plug it into a calculator to get:

r = 12

So, your answer is: r = 12cm.

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