The vertices of a triangle are `A(10,4) ,B(-4,9) and (C-2,-1).`Find the equation of the altitude through A.

The vertices of a triangle PQR are P(2, 1), Q (-2,3) and R (4, 5). Find the equation of the median through the vertex R.

The vertices of a triangle are A (-2, 1), B (6, -2) and C (4, 3). Find the lengths of the altitudes of the triangle.

The vertices of triangle PQR are P (2, 1), Q (-2, 3) and R (4, 5). Find equation of the median through the vertex R.

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

For the triangle ABC whose vertices are A (-2, 3), B (4, - 3) and C (6, 5), find the equation of : the altitude from A.

The vertices of a triangle are (1, a), (2, b) and (c^(2)-3) Find the condition that the centroid may lie on the X-axis.

For the triangle ABC whose vertices are A (-2, 3), B (4, - 3) and C (4, 5), find the equation of : the st. line through A parallel to the opposite side BC.

In the triangle with vertices A (2, 3), B (4, -1) and C (-1,2), find the equation and length of the altitude from the vertex A.

The vertices of a triangle are A(1,1,2), B (4,3,1) and C (2,3,5). The vector representing internal bisector of the angle A is

If the coordinates of the mid-points of the sides of a triangle are (1,\ 1),\ (2,\ -3) and (3,\ 4) , find the vertices of the triangle.