SOLUTION: If i have a triangle at the cordinates are B(-4, 5), C(12, 10) and A(9,-6). How do i find the perppendicular bisector side AC? I know you find the midpoint but what do you do after

Algebra ->  Triangles -> SOLUTION: If i have a triangle at the cordinates are B(-4, 5), C(12, 10) and A(9,-6). How do i find the perppendicular bisector side AC? I know you find the midpoint but what do you do after      Log On


   

Question 122121: If i have a triangle at the cordinates are B(-4, 5), C(12, 10) and A(9,-6). How do i find the perppendicular bisector side AC? I know you find the midpoint but what do you do after that?
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
perpendicular lines have slopes that are negative reciprocals of each other

find the slope of AC and the negative reciprocal will be the slope of the bisector