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A model has tires that are 2 inches in diameter. How far with the model travel in 20 revolutions?

 Oct 26, 2018

Best Answer 

 #1
avatar+3611 
+2

it will travel 20 circumferences

 

\(C = 2 \pi r = 2 \pi \left(\dfrac D 2\right) = \pi D\\ C = 2\pi~inch\\ 20C = 40 \pi ~inch\)

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 Oct 26, 2018
 #1
avatar+3611 
+2
Best Answer

it will travel 20 circumferences

 

\(C = 2 \pi r = 2 \pi \left(\dfrac D 2\right) = \pi D\\ C = 2\pi~inch\\ 20C = 40 \pi ~inch\)

Rom Oct 26, 2018

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