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, -3), (-1, 0) and (7, -6). Also find the radius of the circumcircle.

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

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

Find the area of the triangle with vertices A(1, 1, 2), B(2, 3, 5) and C(1, 5, 5).

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……

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.

Find the centroid of the triangle whose vertices are (3, -5), (-7, 4) and (10, -2).

Find area at the quadrilateral ABCD with vertices A(1, 1), B(7, -3), C(12, 2) and D(7, 21) .

The incentre of the triangle whose vertices are (-36, 7), (20, 7) and (0, -8) is

Find the coordinates of the point equidistant from three given points A(5,1), B(-3,-7) and C(7,-1)