The position vectors of the four angular points of a tetrahedron OABC are `(0, 0, 0); (0, 0,2) , (0, 4,0)` and `(6, 0, 0)` respectively. A point P inside the tetrahedron is at the same distance `r` from the four plane faces of the tetrahedron. Find the value of `r`

The position vectors of the four angular points of a tetrahedron OABC are (0, 0, 0), (0, 0, 2), (0, 4, 0) and (6, 0, 0) , respectively. A point P inside the tetrahedron is at the same distance 'r' from the four plane faces of the tetrahedron. Then, the value of 9r is.....

The position vectors of the four angular points of a tetrahedron OABC are (0,0,0);(0,0,2),(0,4,0) and (6,0,0) respectively.A point P inside the four plane is at the same distance r from the four plane faces of the tetrahedron.Find the value of r

Volume of tetrahedron with vertices at (0, 0, 0), (1, 0, 0), (0, 1, 0), (0, 0, 1) is

Find the co- ordinates of the centroid of the tetrahedron whose vertices are (0,0,0) ,(a,0,0),(0,b,0) and (0,0,c)

The coordinates of the point equidistant from the points A(0, 0, 0), B(4, 0, 0), C(0, 6, 0) and D(0, 0, 8) is

Volume of the tetrahedron with vertices at (0,0,0),(1,0,0),(0,1,0) and (0,0,1) is (cu units)

(0,0,0), (a,0,0), (0,b,0) and (0,0,c) are four distinct points. What are the coordinates of the point which is equidistant from the four points?

Four points on a circle are (0,1), (1,0), (0,0), (2k, 3k) find k:

If P(0, 1, 2), Q(4, -2, 1) and R(0, 0, 0) are three points, then anglePRQ is