My teacher gave me some notes on Radian Measure and I don't quiet understand a few things.
(Numbers are in Degrees)
When the teacher wrote converting Degrees to Radian, vice versa, here is something I am quite confused.
Convert to Radian
30 = 30 x Pi (factor) 180 = Pi (factor) 6
A question like that I understand, because 180/30 = 6.
But, a question like this I am confused
120 = 120 x Pi (factor) 180 = 2Pi (factor) 3
Now this is where I am confused. Where does the 2Pi and the 3 come from?
120/180 = 1.5... 3 is the double of 1.5. Is the the 2 in 2Pi that makes it 3?
I do not understand how the teacher got to this answer, can someone please help me explain in more detail. Thank you very much =D