In a triangle ABC with vertices A1-2- B2-3 and C3-1 and - A - cos-145- - B - - c - cos-11-10 then find the circumcentre of the triangle ABC-

Angle A is given 2 times which one I have to take #160; ...

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Perpendicular Bisector and It's Construction

In a triangle...

Question

In a triangle ABC with vertices A(1,2), B(2,3) and C(3,1) and $∠ A = c o s^{- 1} (\frac{4}{5}), ∠ B = ∠ c = c o s^{- 1} (\frac{1}{\sqrt{10}})$ then find the circumcentre of the triangle ABC.

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