Home
Class 12
MATHS
If A,B,C are points (0,4,1), (2,3,-1), )...

If A,B,C are points (0,4,1), `(2,3,-1), ), (4,5,0) find the angle that AB makes with BC.

Promotional Banner

Topper's Solved these Questions

  • STRAIGHT LINES

    MBD PUBLICATION|Exercise QUESTION BANK|127 Videos
  • TRIGONOMETRIC FUNCTIONS

    MBD PUBLICATION|Exercise QUESTION BANK|267 Videos

Similar Questions

Explore conceptually related problems

If A,B,C are the points (1,0,2), (0,3,1) and (5,2,0) respectively, find mangleABC

If A,B,C are points (-1,2),(3,1) and (-2,-3) respectively, show that the points which divide BC, CA, AB in the ratios (1:3), (4:3) and (-9,:4) respectively are collinear.

If A, B, C are the points (1, 4, 2), (-2,1,2) and (2,-3,4) respectively then find the angles of the triangle ABC.

If P is the point (2,1,6), then find the point Q such that PQ is perpendicular to the plane passing through the points (2,1,0), (5,0,1), (4,1,1) and the mid point of PQ lies on it.

If A (1,0,-1), B (-2,4,-2) and C(1,5,10) be the vertices of a triangle and the bisector of the angle BAC, meets BC at D, then find the coordinates of the point D.

If the vertices A,B,C of a triangle ABC are A(1,1,8),B(4,-3,-4)and C(-3,1,5) respectively then find angle BAC .

If 3A-B=[{:(5,0),(1,1):}] and B=[{:(4,3),(2,5):}] then find the matrix A.

If A=[{:(1,-2,3),(-4,2,5):}] and B=[{:(2,3),(4,5),(2,1):}] then find AB and BA. Show that A and B are not commutative, i.e. AB ne BA .

MBD PUBLICATION-THREE DIMENSIONAL GEOMETRY-QUESTION BANK
  1. Find the projection of the line segment joining (1,2,3) and (2,3,4) on...

    Text Solution

    |

  2. If P,Q,R,S are points (1,2,5), (-2,1,3), (4,4,2) and (2,1,-4) respecti...

    Text Solution

    |

  3. If A,B,C are points (0,4,1), (2,3,-1), ), (4,5,0) find the angle that ...

    Text Solution

    |

  4. Find the acute angle between the lines whose d.rs are (1, 1, 2) and (s...

    Text Solution

    |

  5. Find the equation of the plane passing through the points (2,1,3), (3,...

    Text Solution

    |

  6. Find the equation of the plane parallel to z-axis and with intercepts ...

    Text Solution

    |

  7. Find the equation of the plane through the point (-1,3,0), which is pe...

    Text Solution

    |

  8. Find the equation of the plane if the point (5,-3,4) is the foot of th...

    Text Solution

    |

  9. Find the equation of a plane which is at a distance 3 units from the o...

    Text Solution

    |

  10. Find the components of the unit vector perpendicular to the plane r^ra...

    Text Solution

    |

  11. Writing the equation of the plane 3x-2y+z+2=0 in normal form find its ...

    Text Solution

    |

  12. Find the angle between the planes x+2y+3z+1=0 and 3x+2y+z+2=0

    Text Solution

    |

  13. Find the equation of the plane through the point (2,1,0) and passing t...

    Text Solution

    |

  14. Find the position of the points (1,2,-1) and (2,-1,3) with respect to ...

    Text Solution

    |

  15. Find the intercepts of a plane 3x+4y=7z=84on co-ordinate axes.

    Text Solution

    |

  16. Find the equation of the plane through the points (1,1,0), (-2,2,1) an...

    Text Solution

    |

  17. Find the equation of the plane passing through the points (1,-1,1) and...

    Text Solution

    |

  18. A plane meets the co-ordinate axes at A,B,C such that the centroid of ...

    Text Solution

    |

  19. Find the equation of the plane through the feet of the perpendlcular d...

    Text Solution

    |

  20. Find equation of a plane through (2,-3,1) and perpendlcular to the lin...

    Text Solution

    |