Proving Kites

Graph Quadrilateral ABCD with vertices A(-4,2), B(5,4), C(6,2), and D(5,0)
What evidence do you have that this is or isn't a parallelogram?[br]What evidence do you have that this is or isn't a kite?
Graph Quadrilateral ABCD with vertices A(2,4), B(5,4), C(5,1), and D(-1,-2)
What evidence do you have that this is or isn't a kite?
Check all of the angles on BOTH graphs above. What patterns do you notice?
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– MrCarmack

Information: Proving Kites