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Geometry 8 Online
OpenStudy (anonymous):

The equation of a circle is shown below. (x -5)2 + (y + 2)2 = 64 The radius of the circle is ________ units.

OpenStudy (phi):

can you figure it out, looking at http://www.mathsisfun.com/algebra/circle-equations.html

OpenStudy (anonymous):

what does each number stand for? for example 64 stands for r^s or radius squared. With that information, can you figure out the radius? :D

OpenStudy (anonymous):

It is 8.

OpenStudy (anonymous):

8

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