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Mathematics 7 Online
OpenStudy (anonymous):

https://clackamasweb.owschools.com/media/g_geo_ccss_2014/9/groupi94.gif In the figure, M and N are midpoints of RT and ST. What is the length of MN? a + b b - a 2

OpenStudy (anonymous):

@AlexandervonHumboldt2

OpenStudy (alexandervonhumboldt2):

MN is 1/2 of RS

OpenStudy (alexandervonhumboldt2):

(2b-2a)/2=b-a

OpenStudy (anonymous):

thnx

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