Hi

(1,1), 

(-1,5)  D =  

(1,7)   D = 

(1,1)   D =  =  = 6

Find Ds in each case(did one for You, and add them to find Perimeter 

Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
 what is the perimeter of a triangle with vertices at (1,1), (-1,5) and (1,7)

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Label the points A(1,1), B(-1,5) and C(1,7)



Find the distance between the points.



Find BC and AC the same way.

Add them.

 

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