Home
Class 12
MATHS
With help of vectors find the area of th...

With help of vectors find the area of the triangle with vertices `A(2,3,5),B(3,5,8) and C(2,7,8)`

Text Solution

Verified by Experts

The correct Answer is:
`(1)/(2)sqrt(107)`
Promotional Banner

Topper's Solved these Questions

  • VECTOR ALGEBRA

    BETTER CHOICE PUBLICATION|Exercise ASSIGNMENT MOST IMPORTANT QUESTIONS FOR PRACTICE (SECTION VI) |4 Videos

  • VECTOR ALGEBRA

    BETTER CHOICE PUBLICATION|Exercise ASSIGNMENT MOST IMPORTANT QUESTIONS FOR PRACTICE (SECTION VII)|15 Videos

  • VECTOR ALGEBRA

    BETTER CHOICE PUBLICATION|Exercise ASSIGNMENT MOST IMPORTANT QUESTIONS FOR PRACTICE (SECTION IV)|8 Videos

  • THREE DIMENSIONAL GEOMETRY

    BETTER CHOICE PUBLICATION|Exercise PREVIOUS YEARS BOARD.S QUESTION FOR PRACTICE |60 Videos

Similar Questions

Explore conceptually related problems

Find the area of the triangle with vertices A(1,12), B(2,3,5), C(1,5,5)

Find the area of triangle with vertices (1,1,2),(2,3,5),(1,5,5).

Find the area of triangle with vertices: (3,8),(-4,2),(5,1)

Find the area of the triangle with vertices A (1, 1, 2), B (2, 3, 5) and C (1, 5, 5).

BETTER CHOICE PUBLICATION-VECTOR ALGEBRA -ASSIGNMENT MOST IMPORTANT QUESTIONS FOR PRACTICE (SECTION V)
  1. If veca=hati+hatj-3hatk and vecb=hatj+2hatk find |2vecb+veca|

    Text Solution

    |

  2. Find a unit vector perpendicular to both veca and vecb if veca=4hati...

    Text Solution

    |

  3. Find a unit vector perpendicular to both veca and vecb if veca=3hati...

    Text Solution

    |

  4. Find a unit vector perpendicular to both veca and vecb if veca=4hati...

    Text Solution

    |

  5. Find the unit vector perpendicular to veca+vecb and veca-vecb if vec...

    Text Solution

    |

  6. Find a vector of magnitude 5 units, perpendicular to both veca+vecb an...

    Text Solution

    |

  7. Find the value of p for which veca=3hati+2hatj+12hatk and vecb=hati+ph...

    Text Solution

    |

  8. Find the value of lambda if two vectors 2hati+3hatj-hatk and 4hati+6ha...

    Text Solution

    |

  9. Find the area of a parallelogram whose adjacent sides are given by v...

    Text Solution

    |

  10. Find the area of a parallelogram whose adjacent sides are given by v...

    Text Solution

    |

  11. Find the area of a parallelogram whose adjacent sides are given by v...

    Text Solution

    |

  12. Find the area of a parallelogram whose adjacent sides are given by v...

    Text Solution

    |

  13. Find the area of the triangle (using vectors) with vertices A(3,-1,2),...

    Text Solution

    |

  14. With help of vectors find the area of the triangle with vertices A(2,3...

    Text Solution

    |

  15. Find the sine of the angle between the vectors veca=2hati-3hatj+4hatk,...

    Text Solution

    |

  16. If veca and vecb are any two vectors, prove that (vecaxxvecb)^(2)=|vec...

    Text Solution

    |

  17. If |veca|=5,|vecb|=4 and veca.vecb=16 find |vecaxxvecb|.

    Text Solution

    |

  18. If veca,vecb,vecc are any three vectors then prove that. vecaxx(vecb...

    Text Solution

    |

  19. If vecaxxvecb=veccxxvecdand vecaxxvecc=vecbxxvecd, show that veca-vecd...

    Text Solution

    |

  20. Let veca=hati+4hatj+2hatk,vecb=3hati-2hatj+7hatk and vecc=2hati-hatj+4...

    Text Solution

    |