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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

radian = 180/2pi degrees

-1.257 radian

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

The radian is 0.523598776

Radian - Morituri - was created in 1986.

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

1 radian=1.33 steradian

One radian is about 57.3 degrees

radian = 180/2pi degrees

-1.257 radian

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

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

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

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

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