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M is the midpoint of PQ and N is the midpoint of PR, and O is the intersection of QN and RM, as shown. If QN is perpendicular to PR, QN = 10, and PR = 15, then find OR.

 

 Jun 27, 2021
 #1
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This is too easy!!! laugh

 

ON = 1/3(QN)                (Median theorem)

 

NR = 1/2(PR)

 

OR = sqrt[(ON)2 + (PR)2smiley

 Jun 27, 2021
edited by jugoslav  Jun 27, 2021

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