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Mathematics 22 Online
OpenStudy (anonymous):

define radius.

OpenStudy (primeralph):

Relating to what subject?

OpenStudy (primeralph):

In general, a radius is the length from a point at which all sets of points from that focus are equidistant to the point.

OpenStudy (primeralph):

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OpenStudy (primeralph):

This distance is called the radius.

OpenStudy (anonymous):

Given a circle with a radius of 6, what is the length of an arc measuring 60°?

OpenStudy (primeralph):

2pi*6*60/360.

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