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Find the length of the median of a triangle from point C (8,6). The other 2 points form the base A(0,0) and B (5,0). The key says the answer is 9.

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1 Answer

 The length of the median will be the length of the line segment of end points:
  
  ( 8, 6 )  ( 5/2, 0)
 
 
 l = √[ ( 8 - 5/2) ^2 + ( 6 -0 ) ^2]
 
   =  √[( 11/2 ) ^2 + 36] = √[( 121 + 144) /4 ] = 8. 139