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December 21, 2014

December 21, 2014

Posted by **Convert angle in degrees to radiansConvert radians** on Sunday, December 9, 2012 at 12:06am.

How is the answer pie over 2?

330 degrees = 11pie over 6

-105 degrees= -7pie over 12

Converting the angle in radians to degrees

3pie over 4 =135 degrees

pie over 2 = 90 degrees

pie over 30 = 6 degrees

-7pie over 5 =-135 degrees

I have these answers but I have no idea on how to get them..

- algebra -
**drwls**, Sunday, December 9, 2012 at 12:30amSince 360 degrees = 2 pi radians BY DEFINITION, 90 degrees must be pi/2 radians.It is 1/4 of a complete circle.

All of your questions are worked the same way.

pi/30 radians = [pi/30]* [360 deg/(2 pi rad)]

= 6 degrees

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