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Geometry 19 Online
OpenStudy (supernova_sonntag):

If AB= 8 in. and CD= 6 in. how long is a radius? Explanation? I don't know where to start.

OpenStudy (supernova_sonntag):

|dw:1428623001843:dw| A and B are congruent; Line CD is a chord of both circles.

OpenStudy (anonymous):

as i read the question A and B are the centers CD bisects AB so it is a right angle triangle 3,4,radius hence r^=9+16 =25 so r=5

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