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Question -

If the points A (1, -2), B (2, 3), C (a, 2) and D (-4, -3) form a parallelogram, find the value of a and height of the parallelogram taking AB as base. [NCERT Exemplar]



Answer -

In parallelogram, we know that, diagonals bisects each other
i.e., mid-point of AC = mid-point of BD

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