For a `DeltaABC` the vertices are `A(1, 3), B(0, 0) and C(k, 0)`. area of △ABC is 3. Find the value of k.

Let ABC is a triangle whose vertices are A(1, –1), B(0, 2), C(x', y') and area of triangleABC is 5 and C(x', y') lie on 3x + y – 4lambda = 0 , then

The co-ordinates of the vertices of a DeltaABC are A(1, 0) , B(3, 6) and C(3, 2) . Find the length of its medians.

Find the centroid of DeltaABC whose vertices are A (0,-1) , B (-2,5) and C (2,8) .

The co-ordinates of the vertices of Delta ABC are A(3, 2), B(1, 4) and C(-1, 0) . Find the length of median drawn from point A.

If the area of a triangle with vertices (-3,0),(3,0) and (0,0) is 9 sq. units. Then the value of k will be

The vertices of a triangle ABC are A(0, 0), B(2, -1) and C(9, 2) , find cos B .

The othocenter of DeltaABC with vertices B(1,-2) and C(-2,0) is H(3,-1) .Find the vertex A.

Show that the DeltaABC with vertices A ( 0,4, 1) , B ( 2, 3, -1) and C ( 4,5,0) is right angled.

Find the equation of the medians of DeltaABC whose vertices are A(1,0) , B(2,4) and C(3,2) .

Find the equation of the sides of DeltaABC whose vertices are A(2,-3) , B(0,1) and C(4,2) .