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.

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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(24785)   (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


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