if the vertices of a triangle are `(2,0), (11,6)` and `(-4,-4)` then find the area of this triangle

The vertices of a triangle are (1, 0), (4, 0) and (4, 4). Its area is :

The vertices of a triangle are (2,4),(4,-2) and (-3,-6) then the origin lies in

If midpoints of the sides of a triangle are (0, 4), (6, 4) and (6, 0), then find the vertices of triangle, centroid and circumcentre of triangle.

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.

Vertices of a triangle are (0, 5), (0, 0), (4, 0) then find area of triangle.

The midpoints of the sides of a triangle are (3, 4) , (4, 1) and (2, 0) . Find the vertices of the triangle .

The vertices of a triangle are A(4, 4), B(3, -2) and C(-3, 16). The area of the triangle is

The vertices of a triangle are A(1,1),B(4,5) and C(6,13). Find cos A

The vertices of a triangle are A(1,1),B(4,5) and C(6,13) Find cos A.