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March 31, 2015

March 31, 2015

Posted by **jake** on Thursday, January 19, 2012 at 4:13pm.

roll in 1 minute?

Diameter 3.5

radius: 3.5/2 = 1.75

12(2pi x 1.75)

=131.9 m

the book states that its 263.89 m?

What did I do wrong?

- Math -
**Steve**, Thursday, January 19, 2012 at 4:26pmLooks good to me. Book must be in error.

- Math -
**Blake Eastwood**, Sunday, June 8, 2014 at 1:41amthe book is wrong you're right they didn't find the radius they used the diameter as their radius that is why your answer seem to differ from theirs but you're actually right.

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