Question

how is one revolution 360/2pi?

Answer 1

One revolution is when an object rotates 360 and comes back to its original position.

So, one revolution = 360/2pi

when you solve the operation you get the radius of the wheel which is important.

Answer 2

It follows that the magnitude in radians of one complete revolution (360degrees) is the length of the entire circumference divided by the radius, or 2πr / r, or 2π. Thus 2π radians is equal to 360 degrees, meaning that oneradian is equal to 180/π degrees. The relation can be derived using the formula for arc length.

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