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Mathematics 18 Online
OpenStudy (anonymous):

what is the measure of AB?

OpenStudy (anonymous):

OpenStudy (welshfella):

the arc AB extends for 1/4 of the way around the circle - how many degrees is this?

OpenStudy (mathmale):

Remember that arc length = (radius)(central angle in radians) 1/4 of a circle corresponds to how many radians?

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