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4 answers
What do we call the distance travelled in one complete turn of a wheel?
I guess, the circumference of the wheel
Write the formula that relates the diameter of a wheel to its circumference
https://www.google.com/search?q=formula+for+circumference&oq=formula+for+circumference&aqs=chrome..69i57j69i60.4912j0j9&sourceid=chrome&ie=UTF-8