The three vertices of the triangle ABC are A(2,3,5) B(3,5,8) and C(2,7,8) : using vector method find the area of the triangle ABC.

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

If the vertices A,B,C of a triangle ABC are at (1,1,2),(2,2,3),(3,-1,-1) respectively, then using vector method find the area of the triangle.

If the coordinates of the vertices of triangle ABC are (-1,6),(-3,-9) and (5,-8) respectively,then find the equation of the median through C.

Consider A(2,3,4),B(4,3,2) and C(5,2,-1) be any three points. Find the area of triangle ABC.

If the vertices A,B,C of a triangle ABC are A(1,1,8),B(4,-3,-4)and C(-3,1,5) respectively then find angle BAC .

Using vectors,find the area of triangle with vertices A(2,3,5),B(3,5,8) and C(2,7,8).