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find the point B on AC such that the ratio of AB to BC is 1:1

involving dividing line segments
is a geometry class

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John M. | High School and College Science TutorHigh School and College Science Tutor
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If B divides line AC into two equal parts, then B is the midpoint and we can use the midpoint formula:
 
xB = (xA + xC)/2
yB = (yA + yC)/2
 
Mark M. | Mathematics Teacher - NCLB Highly QualifiedMathematics Teacher - NCLB Highly Qualif...
4.9 4.9 (187 lesson ratings) (187)
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B would be, by definition, the midpoint.