Quadrilateral ABCD has coordinates A(-5,4), B(0,6), C(3,-1), and DC-2, -3). Use the midpoint formula to determine if the figure is a parallelogram and why.

“exterior angles of triangles. an exterior (or external) angle is the angle between one side of a triangle and the extension of an adjacent side. try this drag the orange dots on any vertex to reshape the triangle.” look to get to the answer i explained what it means and other things i hope it you .

The percent increase is 25%