Home › Bihar Board Class 12 (Commerce) › Mathematics › Three Dimensional Geometry › Lines with direction ratios 2, 4, 6 and 1, 2, 3 …
Lines with direction ratios 2, 4, 6 and 1, 2, 3 make what angle with each other?
A0 degrees
B30 degrees
C60 degrees
D90 degrees
Answer & Solution
Correct answer: A. 0 degrees
The ratios are proportional, so the lines are parallel and the angle is zero.
Related questions
Points A(2, 3, -4), B(1, -2, 3) and C(3, 8, -11) are collinear because the direction ratioThe common perpendicular to two skew lines with direction vectors b and d runs along whichIn higher-dimensional geometry, a line is also described as a flat of which dimension?Rotating a line about a skew, non-perpendicular line sweeps outFour points define two skew lines only if the points form the vertices of a tetrahedron ofTwo lines in three-dimensional space are skew exactly when they areTwo lines lying in one common plane must behave in which way?Which is the lowest dimension of space in which a pair of skew lines can exist?