Introduction to 3DEasy
Question
If origin is the centroid of the triangle ABC with vertices A (a, 1, 3), B (−2, b, − 5) and C (4, 7, c) then values of a, b, c are respectively -
Options
A.2, 8, 2
B.0, 2, 2
C.−2, −8, 2
D.None of these
More Introduction to 3D Questions
The line joining the points (2, −3, 1) and (3, − 4, − 5) and cuts the plane 2x + y + z = 7 in those po...OABC is a tetrahedron whose vertices are O (0, 0, 0) ; A (a, 2, 3); B (1, b, 2) and C (2, 1, c) if its centroid is (1, 2...If the lines and are at right angles, then the value of k will be...Find the sum of all values of $\alpha$ for which the shortest distance between the lines $$\frac{x+1}{\alpha} = \frac{y-...Three lines with direction ratios 1, 1, 2 ; √3 − 1, − √3 − 1, 4 ; − √3 −...