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What is the area of the kite OACB?

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AB is a chord of the circle x2 + y2 = 16.
The tangents at A and B meet at C.
If M(1, 2) is the midpoint of AB, what is the area of the kite OACB?
Note: O = (0, 0) is the origin.

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posted Jun 26, 2020 by Karan Joglekar

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