The coordinates of four angular points of a tetrahedron are (0,0,0),(0,0,2),(0,4,0) and (6,0,0). A point P inside the tetrahedron is at the same distance r from the four plane faces of tetrahedron. Which of the following CANNOT be the value of r?

The coordinates of four angular points of a tetrahedron are (0,0,0),(0

1.	The coordinates of four angular points of a tetrahedron are (0,0,0),(0,0,2),(0,4,0) and (6,0,0). A point P inside the tetrahedron is at the same distance r from the four plane faces of tetrahedron. Which of the following CANNOT be the value of r?
Answer» The coordinates of four angular points of a tetrahedron are $(0, 0, 0), (0, 0, 2), (0, 4, 0)$ and $(6, 0, 0)$ . A point $P$ inside the tetrahedron is at the same distance $r$ from the four plane faces of tetrahedron. Which of the following CANNOT be the value of $r$ ?