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OpenStudy (anonymous97):
A quadrilateral is plotted with points at A(-9, 7), B(0, 26), C(19, 17), D(10, -2). Which statement about the quadrilateral is correct? It is a square because AC = BD. It is a square because AB, CD, BC, and AD are equal and they form 90 degree angles. It is a square because AC is parallel to BD. It is a not a square because AC is not equal to AB.
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