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Mathematics 20 Online
OpenStudy (anonymous):

NEED HELP PLEASE LOOK AT ATTACHMENT

OpenStudy (anonymous):

OpenStudy (mertsj):

Remember that the definition of a radian is that it is the measure of the central angle which subtends an arc that is equal to the radius.

OpenStudy (mertsj):

So if the arc is equal to the radius, I guess the ratio of the arc over radius would be one. Would you agree?

OpenStudy (mertsj):

And if the arc length is r, then the angle is 1 radian.

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