1 Answer

Stillanoob · Answer 1 · 2018-05-21T12:51:31+0000

Greetings!

"The circumference of a circle is 12 inches. What is the radius?"...

We can use the formula to find the circumference of circle to solve this:

$2 \pi r$

Input the information we know:

$2 \pi r=12$

Solve for r, using the properties of equality:

Simplify.

6.28r=12

Divide both sides by 6.28

(6.28r)/6.28=(12)/6.28

Simplify.

The radius is 1.91cm long.

Hope this helps.
-Benjamin

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