Question: The points 1-3, 42, 12, -12, 15, 22, and 10, 72 are vertices of a quadrilateral. Show that the quadrilateral is a rectangle. Show that

The points 1-3, 42, 12, -12, 15, 22, and 10, 72 are vertices of a quadrilateral. Show that the quadrilateral is a rectangle. Show that the opposite sides of the quadrilateral are the same length and that the two diagonals are the same length.

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