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Mathematics 9 Online
OpenStudy (anonymous):

Dana takes a paper cone with a 10cm diameter that is 12 cm deep. She cuts it along a straight line from the rim to the vertex, then flattens the paper out on a table. Find the radius, the arc length, and the central angle of the resulting circular sector.

OpenStudy (anonymous):

I'm pretty sure the radius is 13.

OpenStudy (anonymous):

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