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18 votes
18 votes
The radius of a circle is 15 inches. What isthe circumference of the circle? Writeyour answer using PI.

User Benizi
by
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1 Answer

19 votes
19 votes

The circumference formula is


C=\pi d

Where the diameter is double the radius.


d=2r=2(15)=30

The diameter is 30 inches.

Now, we find the circumference.


C=30\pi

Therefore, the circumference is 30pi, or 94.2 inches.

User Sachin Shukla
by
2.7k points
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