Classifying Triangles Using Slope and Distance
Coordinate Geometry Lesson | MATHguide homepage Updated March 20th, 2018


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Given:Triangle A(-20, 12), B(-2, 12), C(-11, 11)
  
Slope Formula

Slope Formula
  
Problem:Determine the slopes of the sides and the lengths of the sides to find characteristics of triangle ABC.

Slopes of Sides
mAB =  
mBC =  
mAC =  

Lengths of Sides
dAB =  
dBC =  
dAC =  
 
Characteristics: