Introduction to 3DHard
Question
If the vertices of points A,B,C of a tetrahedron ABCD are respectively (1, 2, 3) ; (−1, 2, 3),
(1, −2, 3) and his centroid is (0, 0, 3/2) then co-ordinate of point D are -
(1, −2, 3) and his centroid is (0, 0, 3/2) then co-ordinate of point D are -
Options
A.(1, 2, − 3)
B.(−1, − 2, 3)
C.(−1, − 2, − 3)
D.(0, 0, 0)
More Introduction to 3D Questions
I. The ratio in which the line segment joining (2, 4, 5) and (3, 5, −4) is divided by the yz-plane is 2 :3.II. The...The number of straight lines are equally inclined to the three dimensional co-ordinate axes, is -...The equation of the plane passing through the points (3, 2, 2) and (1, 0, −1) and parallel to the line , is -...The angle between the line and the plane 2x − 3y + z + 4 = 0 is...If zx plane divides the line joining the points (1, −1, 5) and (2, 3, 4) in the ratio l :1 then l equals to −...