Centroid of a triangle is at the origin. If two vertices of the triangle are (-1,3,-5) and (11,-4,8). Find the third vertex.

Two vertices of an equilateral triangle are (0, 0) and (0,2 sqrt3) . Find the third vertex.

The mid-points of the sides of a triangle are (1, 5, -1),(0,4,-2) and (2, 3, 4). Find its vertices.

The centroid of a triangle ABC is at the point (1,1,1). If the coordinates of A and B are (3,-5,7) and (-1,7,-6) respectively, find the coordinats of the point C.

Two vertices of a triangle are (-1, 4) and (5, 2). If its centroid is (0, -3), find the third vertex.

If centroid of a triangle be (1, 4) and the coordinates of its any two vertices are (4, -8) and (-9, 7), find the area of the triangle.

The ends of the hypotenuse of a right angled triangle are (6, 0) and (0, 6). Find the locus of the third vertex.

Two vertices of a traingle are (2,-6,4) and (4,-2,3) and its centroid is (8/3,-1,3) . Find the third vertex.

The sides of the triangle are (11-5x),(2x+8)and(3x+2) . Find the perimeter of this triangle.

The vertices of a triangle are A(1,1),\ B(4,5)a n d\ C(6, 13)dot Find Cos\ Adot

If two angles of a triangle are tan^(-1)(2)a n dtan^(-1)(3), then find the third angle.