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Mathematics 13 Online
OpenStudy (danni_joanaveil2):

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OpenStudy (danni_joanaveil2):

Parallelogram ABCD has vertices: A(-3, 1), B(3, 3), C(4, 0), and D(-2, -2). In two or more complete sentences, explain how you can use the coordinates of the vertices to prove that parallelogram ABCD is a rectangle.

OpenStudy (danni_joanaveil2):

@newme1227

OpenStudy (niksbhalla14mar):

Slope of AB = 1/3 & Slope of BC = -3 . For Angle as 90 degree. Slope of AB x Slope of BC = -1 Similarily Slope of DC = 1/3 & Slope of AD = -3 . For Angle as 90 degree. Slope of DC x Slope of AD = -1 Therefore the parallelogram is a rectangle.

OpenStudy (danni_joanaveil2):

thank you so much

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