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A radian is an arc of the circumference of a circle and it is about 57.3 degrees.

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1 radian = 360/tau (or 180/pi) degrees.

Q: How big is a radian?

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It is 1/tau or 1/(2*pi) of a whole turn.

The radian is 0.523598776

1 degree = pi*radian/180 So therefore 15 times pi*radian/180 = pi*radian/12

-1.257 radian

radian = 180/2pi degrees

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It is 1/tau or 1/(2*pi) of a whole turn.

The radian is 0.523598776

1 degree = pi*radian/180 So therefore 15 times pi*radian/180 = pi*radian/12

Radian - Morituri - was created in 1986.

One radian is about 57.3 degrees

1 radian=1.33 steradian

-1.257 radian

A radian is 180/pi degrees, or about 57 degrees

radian = 180/2pi degrees

1 radian = 360/tau (or 180/pi) degrees.

A mile is an obsolete unit of distance and the radian is a unit for angles !

The radian measure IS the arc length of the unit circle, by definition - that is how the radian is defined in the first place.