Home
Class 12
MATHS
Consider the triangle ABC with vertices ...

Consider the triangle ABC with vertices `A(1,2,3),B(-1,0,4),C(0,1,2)`
Find `angleA`.

Promotional Banner

Topper's Solved these Questions

  • THREE DIMENSIONAL GEOMETRY

    MAXIMUM PUBLICATION|Exercise EXAMPLE|136 Videos

Similar Questions

Explore conceptually related problems

Consider the triangle ABC with vertices A(1,2,3),B(-1,0,4),C(0,1,2) Find the area of the triangle ABC.

Consider the triangle ABC with vertices A(1,2,3),B(-1,0,4),C(0,1,2) Find vec(AB) and vec(AC) .

Consider the triangle ABC with vertices A(1,1,1), B(1,2,3) and C(2,3,1) Find vec(AB) and vec(AC) .

Consider the triangle ABC with vertices A(1,1,1), B(1,2,3) and C(2,3,1).Find vec(AB)timesvec(AC) .

Consider the triangle ABC with vertices A(1,1,1), B(1,2,3) and C(2,3,1).Hence find the area of the triangle.

Consider a triangle ABC with vertics A (2,5),B (-4,9) and C (-2,-1) Find the equations of the medians of the triangle

In the triangle A B C with vertices A(2,3), B(4,-1) and C(1,2) . Find the equation and length of altitude from the vertex A .

Consider a triangle ABC with vertics A (2,5),B (-4,9) and C (-2,-1) Find the co-ordinates of the mid points of AB,BC and AC

Consider triangle ABC with vertices A(0,06),B(0,4,0) and C(6,0,0).(i)Find the centroid of triangle ABC .

In the triangle ABC with vertices A (2,3), B (4, -1) and C (1,2), find the equation and length of altitude from the vertex A.

MAXIMUM PUBLICATION-VECTOR ALGEBRA-EXAMPLE
  1. (veca-vecb)times(veca+vecb) is equal to a)veca b)abs(veca)^2-abs(ve...

    Text Solution

    |

  2. Using vectors, show that the points A(1,2,7),B(2,6,3),C(3,10,-1) are...

    Text Solution

    |

  3. Find a vector in the direction of vecr=3i-4j that has a magnitude of ...

    Text Solution

    |

  4. For any three vectors veca,vecb and vecc, and, prove that (veca+vecb)+...

    Text Solution

    |

  5. Find a unit vector perpendicular to veca+vecb and veca-vecb, where vec...

    Text Solution

    |

  6. Let A(2,3,4),B(4,3,2) and C(5,2,-1) be three points.Find vec(AB) and v...

    Text Solution

    |

  7. Let A(2,3,4),B(4,3,2) and C(5,2,-1) be three points .Find the projecti...

    Text Solution

    |

  8. Let A(2,3,4),B(4,3,2) and C(5,2,-1) be three points Find the area of...

    Text Solution

    |

  9. ABCD is a parallelogram with A as the origin. vecb and vecd are posit...

    Text Solution

    |

  10. ABCD is a parallelogram with A as the origin. vecb and vecd are posit...

    Text Solution

    |

  11. ABCD is a parallelogram with A as the origin. vecb and vecd are posit...

    Text Solution

    |

  12. If veca,vecb,vecc,vecd respectively are the position vectors represent...

    Text Solution

    |

  13. Find the projection vector of vecb=i+2j+k along the vector veca=2i...

    Text Solution

    |

  14. Find the area of a parallelogram for which the vectors 2i+j,3i+j+4k ar...

    Text Solution

    |

  15. Write the magnitude of a vector veca in terms of dot product.

    Text Solution

    |

  16. If veca,vecb,veca+vecb are unit vectors, then prove that the angle bet...

    Text Solution

    |

  17. If 2i+j-3k and mi+3j-k are parpendicular to each other, then find 'm...

    Text Solution

    |

  18. Consider the triangle ABC with vertices A(1,2,3),B(-1,0,4),C(0,1,2) ...

    Text Solution

    |

  19. Consider the triangle ABC with vertices A(1,2,3),B(-1,0,4),C(0,1,2) ...

    Text Solution

    |

  20. Consider the triangle ABC with vertices A(1,2,3),B(-1,0,4),C(0,1,2) ...

    Text Solution

    |