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Mathematics 11 Online
OpenStudy (anonymous):

whats a radian

OpenStudy (anonymous):

unit for measuring angles

OpenStudy (anonymous):

defined as the ratio of the length of the arc subtended by the angle to the radius of the arc

OpenStudy (anonymous):

does 2pie equal 180degrees

OpenStudy (anonymous):

2pi=360

OpenStudy (anonymous):

oh yea, cause pie=180 degreees. Thanks!

OpenStudy (anonymous):

do the math 360 degree makes an arc of angle 2pi r the ratio is (2 pi r) / r = 2pi

OpenStudy (anonymous):

gotchya.Thanks!

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