Respuesta :

The answer is D.   To find the circumference of a circle you first need to find it's diameter, which is 22. After that, you must multiply by pi or 3.14.  3.14 times 22 = 69.08
magicacd
The equation for circumference is 2piR. Because your diameter is 22, your radius is 11. 2 x pi = 6.28. 6.28 x 11 = 69.08. So letter D is your answer.

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