02-05-2017
Mathematics

contestada

change 570 degree to radian in term of pi A. 19 pi over 6 B. 6 pi over 19. C. pi over 19 D. 2pi over 19

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02-05-2017

360 degrees=2pi radians

so

xdegrees/360 degrees=yrad/2pirad
so

570 degrees

570/360=yrad/2pirad
19/12=yrad/2pirad
times both sides by 2pi
19pi/6=yrad
19pi/6 radians

A is answer

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