Homework Help: math

Posted by Pedra on Saturday, December 11, 2010 at 4:17pm.

A bicycle wheel of diameter 26 inches is rolled through an angle of 720 degrees. how far has the wheel moved?

math - MathMate, Saturday, December 11, 2010 at 6:02pm
Diameter =26"
radius,r = 26"/2 = 13"
Angle = 2πr / turn
Distance = circumference for 2 turns
=2*2πr
=4πr

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