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A bicycle wheel makes five rotations. The bicycle travels ft. Find the diameter of the wheel in inches. Use 3.14 for .

User Ecjb
by
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1 Answer

12 votes

Answer:


r=(L)/(2pi R)

Diameter=2r

inches=12*ft

Explanation:

You forgot to say how far the bike travels.

Given R rotations, L feet, and a wheel radius of r, then the relationship is


L=2\pi rR

Solving this for r gives


r=(L)/(2pi R)

Diameter=2r

inches=12*ft