Application of Power Theorem

Geometry Level 3

ABAB and CDCD are diameters of circle OO and they intersect at right angles. Point MM lies on circle OO and the secant connecting MM and CC intersect ABAB at GG such that CG=4CG = 4 and MG=3.MG = 3.

Assuming that π=227,\pi = \frac{22}7, what is the area of circle O?O?

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