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MBD PUBLICATION-THREE DIMENSIONAL GEOMETRY-QUESTION BANK
- The number of lines making equal angles with coordinate axes is.
01:19
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- Fill in the blanks in the length of the projection of the line segment...
02:10
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- If a line is perpendicular to z-axis and makes an angle measuring 60^0...
02:33
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- If the distance between the points (-1, -1, z) and (1, -1, 1) is 2 the...
02:06
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- The line through (1,-1,2) and (-2,-1,2) is always perpendicular to z-a...
06:41
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- The line passing through (0,0,0) and (1,2,3) has direction cosines (-1...
03:08
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- If l, m, n be there real numbers proportional to the direction cosines...
Text Solution
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- If alpha, beta, gamma be any three arbitrary angles then cos alpha, c...
01:38
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- If two lines are perpendicular to a third line, then the direction rat...
02:01
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- Show that the points (3,-2,4)(1,1,1) and (-1,4,-1) are collinear.
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- Show that points (0,1,2),(2,5,8),(5,6,6) and (3,2,0) from a parallelog...
09:38
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- Find the co-ordinates of the foot of the perpendicular from the point ...
05:06
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- Find the co-ordinates of the point where the perpendicular from the or...
05:39
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- Prove that the points P(3,2,-4),Q(5,4,-6) and R(9,8:-10) are collinea...
05:22
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- If P (1,y,z) lies on the line through (3,2,-1) and (-4,6,3) find y & z...
03:45
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- If A, B, C, D are the points (6,3,2), (3,5,7), (2,3,-1) and (3,5,-3) r...
07:59
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- The projection of a line segment overline(OP), through origin O, on th...
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- The projection of a line segment of x, y and z-axis respectively are 1...
05:22
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- If A, B, C are the points (1, 4, 2), (-2,1,2) and (2,-3,4) respectivel...
09:55
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- Find the acute angle between the lines passing through (-3, -1, 0), (2...
05:51
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