Question: In the triangle ABC, let G be the centroid, and let I be the incentre of the inscribed circles let a and 3 be

In the triangle ABC, let G be the centroid, and let I

In the triangle ABC, let G be the centroid, and let I be the incentre of the inscribed circles let a and 3 be angle at the vertices A and B respectively. Suppose that the segment IG is parallel to AB and that B = 2Tan () then (A) a+b=2c (B) a+b=3c (C) a = 90 (D) a = 45"

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