Classifying Parallelograms Using Slope and Distance
View the Lesson | MATHguide homepage Updated February 2nd, 2022


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Given:Quadrilateral A(2, -12), B(4, -15), C(9, -18), D(7, -15)
  
Slope Formula

Slope Formula
  
Problem:Determine the slope of the diagonals and the length of the diagonals to best classify quadrilateral ABCD.

Slope of Diagonals
mAC =  
mBD =  

Length of Diagonals
dAC =  
dBD =  
 
Classification: