Circular and Angular Measure Conversion Factors

circumference of circle = 360 degrees = 2π radian = 6.283185 radian

1 quadrant = 90 degrees = π/2 radian = 1.570796 radian

1 radian = 57.2957795 degrees

1 degree () = 60 minutes = 3600 seconds = π/180 radian = 0.017453 radian

1 minute (′) = 60 seconds = 0.016667 degrees = 0.000291 radian

π = 3.141592654

 

 

 

 

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