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January 30, 2015

January 30, 2015

Posted by **Skye** on Sunday, January 23, 2011 at 2:46pm.

----------------------------------------my work.

c= pi*d

c=28* 3.14

c=175.84

speed= distance over time

speed= 175.84 divided by 16

speed = 10.99 meters per second

Am I right? Please correct me because I was not at school for a few days so I missed lots of math class! And we have a test on Monday!

- Geometry check my answer? -
**Damon**, Sunday, January 23, 2011 at 2:55pm28 was the radius, not the diameter.

c = 2 pi R = 2 * 3.14 * 28

- Geometry check my answer? -
**MathMate**, Sunday, January 23, 2011 at 2:58pmThe answer is correct.

However, you need to correct the step

c=28* 3.14

to

c = (2*28)* 3.14

which corresponds to the formula c = πd.

- Geometry check my answer? -
**Skye**, Sunday, January 23, 2011 at 3:03pmThanks so much!

c=56*3.14 :)

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