# SOLUTION: what is the perimeter of a triangle with these points: (-1,2),(4,-2), (2,-2). I am using the distance formula but not coming up with the right answer.

Algebra ->  Algebra  -> Radicals -> SOLUTION: what is the perimeter of a triangle with these points: (-1,2),(4,-2), (2,-2). I am using the distance formula but not coming up with the right answer.      Log On

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 Click here to see ALL problems on Radicals Question 429982: what is the perimeter of a triangle with these points: (-1,2),(4,-2), (2,-2). I am using the distance formula but not coming up with the right answer.Answer by ewatrrr(10682)   (Show Source): You can put this solution on YOUR website! ``` Hi D = (-1,2), (4,-2), D = = sqrt(34) (2,-2). D = = 2 (-1,2), D = = sqrt(25) = 5 P = 7+ sqrt(34) = 12.83 units ```