= BC = ) ) CD = DA = ( Since AB = CD and BC = AD, ABCD is a parallelogram. Now, it is required to prove that ABCD is not a rectangle. For this, we show that diagonals AC and BD are unequal. We have MATHEMATICS AC ) ) BD ) ) Since AC ≠ BD, ABCD is not a rectangle.
📖 generic · CBSE Class 11 English medium · MATHEMATICS · Page 280question
A Note The coordinates of the origin O are (0,0,0). The coordinates of any point · Part 8
Chapter 3: 9 · MATHEMATICS
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