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Coordinates and Geometry : Shape of Quadrilateral

Determine algebraically what type of quadrilateral ABCD is given that the vertices
p(-8, 4), q(3,7),r(6,-4),s(-5,-7).

Solution Summary

The shape of a quadrilateral given by coordinates of vertices is found. The solution is detailed and well presented. The response received a rating of "5" from the student who originally posted the question.