Answer:
6.28 m
Explanation:
Given: A wheel with radius
rolled in a straight line through one complete revolution on a flat horizontal surface.
To Find: How many meters did the center of the wheel travel horizontally from its starting location.
Solution:
consider the figure attached.
radius of wheel

horizontal distance traveled by wheel in one complete revolution




As, the distance traveled by center is equal to the distance traveled by wheel
is traveled by the center