Find the direction cosines of the sides of the triangle whose vertices are `(3,5,-4)`,`(-1,1,2)` and `(-5,-5,-2)`

Find the direction cosines of the sides of the triangle whose vertices are (3, 5, -4), (-1, 1, 1) and (-5, -5, -2).

Find the area of the triangle whose vertices are (3,8), (-4,2) and (5,1)

Find the area of the triangle whose vertices are (3,8), (-4,2) and (5,1)

The orthocentre of the triangle whose vertices are (5,-2),(-1,2) and (1,4) is

Find the area of the triangle whose vertices are: (2,8),(-4,2),(5,1)

Find the area of the triangle whose vertices are: (3,1),(4,3),(-5,4)

Find the co-ordinates of the centroid of the triangle whose vertices are (3,1,4),(-2,5,3) and (4,-5,3)

Find the area of the triangle whose vertices are (3,8), (-4,2) and (5, -1).

The area of the triangle whose vertices are (2,4),(-3,7) and (-4,5) is:

Find the incentre of the triangle whose vertices are (2.3),(-2,-5),(-4,6)