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KATRIN_1 [288]
3 years ago
10

The circumference of a circle is 212 inches What is the measurement of the diameter of the circle round your answer to the neare

st tenth of an inch
Mathematics
2 answers:
emmasim [6.3K]3 years ago
7 0
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... :)
Zepler [3.9K]3 years ago
4 0
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 :)
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