Find the area of a triangle having the points A(1,1,1)B(1,2,3) and C(2,3,1) as its vertices.

Find the area of the triangle with vertices A(1,1,2), B(2,3,5) and C(1,5,5).

Find the area of a triangle whose vertices are (1,-1),(-4,6) and (-3,-5) .

Find the area of the triangle formed by points (3, 4, (2-1), and (4,-6).

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

Find the area of a triangle whose vertices are (1,3), (2,5) and (7,5) using determinants

Find the area of the triangle with vertices, (3,8), (-4,2) and (5,1) using determinants.

Without using pythagoras theorem, show that the points A(-1,3) ,B(0,5) and C(3,1) are the vertices of a right angled triangle

Using vectors, find the area of the triangle with vertices are A(1,2,3), B(2, -1, 4) and C(4,5,-1).

The area of triangle whose vertices are (1,2,3), (2,5,-1) and (-1,1,2) is