Verified Answer :

RASEA23

Hi there!
So first to find the diameter, you will need to find the radius of the circle because the diameter is twice the length of the radius. 
Find the radius from the circumference, which is \(2 \pi r\).
C= \(2 \pi r\)
212= \(2 \pi r\)
212/\(2 \pi\)=r
Then solve for r.
Radius= 33.74
Then multiply the radius by 2 to find the diameter.
Diameter= 2 * 33.74
Diameter= 67.5 inches

Hope this helps :)

setherickcook01

If you substitute pi for 3 then your answer would be 70.7 inches, but if you substitute pi for 3.14, then your answer would be 67.5 inches.

Hope this helps... :)

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