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Mathematics 9 Online
OpenStudy (anonymous):

Is this correct? What is the reference angle of 1.812 radian in radians and degrees? What quadrant is the angle in? Radians= 77* Degrees= 103* Quadrant= 2

jimthompson5910 (jim_thompson5910):

I can see how you got 103 degrees 1.812*180/pi = 103.819952477706 but that rounds to 104 degrees

jimthompson5910 (jim_thompson5910):

so that places the angle in quadrant 2 the reference angle would be 180 - 104 = 76 degrees

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