Find the slope of all 4 sides to determine if ABCD is a Rectangle. A(-8,13) B (2,13) D (-8,9) C (2,9) SLOPES: AB= CD= Is ABCD a Rectangle? BC= DA=
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The formula for slope is (change in y)/(change in x). So, the slope of AB is (13-J)/(2-8) = (13-J)/(-6). Show more…
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