One radian is approximately equal to which one of the following ?

1 radian is approximately equal to

A unit radian is approximately equal to

One kilowatt is approximately equal to

One joule is approximately equal to

One kilowatt approximately equals

One radian is equal to

If D is the number of degrees and R is the number of radians in an angle theta, then which one of the following is correct?

One litre-atmosphere is approximately equal to