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Mathematics 18 Online
OpenStudy (anonymous):

....

OpenStudy (anonymous):

OpenStudy (dumbcow):

7.5 - r solve for r using pythagorean thm

OpenStudy (anonymous):

oh thanks! can you help me with this one too?

jimthompson5910 (jim_thompson5910):

hints: angle BOC = angle AOC angle BCO = (180 - angle BOC)/2 angle OAD = (1/2)*(angle AOC)

OpenStudy (dumbcow):

i take too long with geometry ... that will get you answer ^^

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