How do you find the radius of a circle with a circumference of 12pi

Mathematics

1 answer:

sergejj [24]3 years ago

4 0

Answer:

Step-by-step explanation:

The circumference of a circle is $2\pir$ $\pi r$ , so $12\pi=2\pi r\\12=2r\\r=6$ . We can use this because the area of a circle is $\pi r^2$ . Thus, $\pi*6^2=36\pi$ .

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