Find the area of the triangle ABC with A(1,-4) and the midpoints of the sides through A being (2,-1) and (0,-1).

if a vertex of a triangle be(1,1) and the middle point of the sides through this point are(-2,3) and (5,2) , find the other vertices

Find the area of the triangle with the points (2,7),(1,1),(10,8) as vertices.

Find the area of the triangle formed by joining the mid-points of the sides of the triangle whose vertices are (0,-1),(2,1) and (0,3).Find the ratio of this area to the area of the given triangle.

Find the equation of the line passing through the points (1,3) and (-2,-1).

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

Find the vecto equation of the line passing through the points A (1,-1,3) and B (-2, 1, 0).

Find the areas of the triangle formed by the points whose coordinates are given below:(iii)(a,a+1),(-a,a,-1),(0,-a)

Find the areas of the triangle formed by the points whose coordinates are given below:(ii)(1,2),(2,-3),(-3,-4)

Two vertices of a triangle are (1,3) and (3,1),If the coordinates of the centroid of the triangle is (2,1),find the coordinates of the third vertex of the triangle.

Find the area of the triangle whose vertices are (0, 0), (a, 0) and (0, b).