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What is the perimeter of a square with endpoints A(1, 4), B(5, -1), C(0, -5), D(-4,0)

Guest May 3, 2017
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The equation for the perimeter of a square is P=4d where d is the length of one side

To find the distance between two points on a cartesian plane you use the distance formula

\(d = \sqrt((x2-x1)^2+(y2-y1)^2)\)

\(d = \sqrt((5-1)^2+(-1-4)^2)\)Where B is (x2,y2) and A is (x1,y1)

sqrt(41) is about  6.4

so we plug that into the perimeter equation and get P=25.6 

JonathanB  May 3, 2017

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