What is 7pi in degrees?
The circumference of a circle gives the number of radians (number of segments of length equal to the radius) in the circumference. That is a "radian" is the length of the circumference divided by the length of the radius.
Since the circumference (
In term of degrees, a circle, by definition, contains
Relating these two, we have
From our definition of a radian, we know
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