Home
Class 12
MATHS
The projections of a line segment on x,y...

The projections of a line segment on x,y,z axes are 12, 4, 3. The length and the direction-cosines of the line segment are :

A

`11, lt 12/11, 14/11, 3/11 gt`

B

`19, lt 12/19, 4/19, 3/19 gt`

C

`13, lt 12/13, 4/13 , 3/13 gt`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • THREE DIMENSIONAL GEOMETRY

    MODERN PUBLICATION|Exercise AIEEE/JEE Examination|16 Videos
  • THREE DIMENSIONAL GEOMETRY

    MODERN PUBLICATION|Exercise Recent Competitive Questions (RCQs)|10 Videos
  • STATISTICS

    MODERN PUBLICATION|Exercise QUESTION FROM KARNATAKA CET & COMED|3 Videos
  • TRIGONOMETRIC RATIOS, IDENTITIES AND EQUATIONS

    MODERN PUBLICATION|Exercise RECENT COMPETITIVE QUESTIONS|12 Videos

Similar Questions

Explore conceptually related problems

If the direction cosines of a line are k,k,k then

The projection of a line segment on the coordinate axes are 2,3,6. Then the length of the line segment is

If the projection a of a line segment PQ on the coordinate as are 2,3,6, then its direction cosines are

If the projection of a line segment PQ on the coordinate axes are 3,4,5, then the length of the line segment is

The projection of a line segment on the axis 2, 3, 6 respectively. Then find the length of line segment.

The projection of segment [PQ] on the co-ordinate planes are-9, 12, -8 respectively. The direction-cosines of PQ are :

If (1/3,1/4,k) are the direction cosines of a line then the value of k is

If a line has the direction ratios -18, 12, -4, then what are its direction cosines?

The projection of the line segment joining P(2,-1,0) and Q(3,-2,1) on the line whose direction ratios are 2,3,4 is