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Mathematics 14 Online
OpenStudy (anonymous):

Find the perimeter of a triangle with vertices (2, 4) (-1, 3) and (2, -3)

OpenStudy (anonymous):

Hi, welcome to openstudy!

OpenStudy (anonymous):

Okay now coming to your question, do you know how to find the distance between two points in a Cartesian plane?

OpenStudy (anonymous):

No :T

OpenStudy (anonymous):

use the distance formula to find the distance between 2 points, and then after having found all the 3 sides just add them up.

OpenStudy (anonymous):

Thank you!

OpenStudy (anonymous):

@nerdyowl: Here is it http://en.wikipedia.org/wiki/Distance#Geometry

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