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September 18, 2014

September 18, 2014

Posted by **Maria** on Thursday, March 8, 2012 at 10:02pm.

F) D = 1/3C

G) D = 1/2C

H) D = 2C

I) D = 3C

- Math -
**Anon**, Thursday, March 8, 2012 at 10:33pmBecause diameter is twice the radius, the radius must be 1/2 of 8 ft. So r=4ft.

The circumference is equal to 2*pi*radius. Since pi is =3.14

Thus by comparing the two equations

D=2r

C=2rpi

the only difference is pi so the answer would be F if you assume 3.14 is approximately 3

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