Find the circumcentre of triangle ABC if `A (7, 4), B (3, -2)` and `angle C = (pi)/(3)`.

Find the circumcentre of Delta ABC with vertices A(5,1), B(-3,-7) and C(7,-1)

Find the circumcentre of the triangle whose vertices are (2, 2), (4, 2) and (0, 4).

Find the circumcentre of the triangle whose vertices are (-2, -3), (-1, 0) and (7, -6). Also find the radius of the circumcircle.

If the circumcentre of the triangle whose vertices are (3, 2, -5) , (-3, 8, -5) and (-3, 2, 1) is (-1, lambda, -3) the integer lambda must be equal to……

Find area of triangle with verticies A (2, 3), B (-1, 4) and C (-2, -1).

If the origin is the centroid of a triangle ABC having vertices A(a, 1, 3), B(-2, b, -5) and C(4, 7, c), Find the values of a, b, c.

In a triangle ABC, sin A- cos B = Cos C , then angle B is

Find the area of a triangle formed by the points A(5,2), B(4,7) and C(7,-4).

Find the circumcentre and circumradius of the triangle whose vertices are (-2, 3), (2, -1) and (4, 0).

Find the area of the triangle with vertices A(3,-1,2),B(1,-1,-3) and C(4,-3,1) .