Home
Class 9
MATHS
Diagonals A C\ a n d\ B D of a quadri...

Diagonals `A C\ a n d\ B D` of a quadrilateral `A B C D` intersect at `O` in such a way that `a r\ ( A O D)=a r\ (\ B O C)dot` Prove that `A B C D` is a trapezium.

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • ALGEBRAIC IDENTITIES

    RD SHARMA ENGLISH|Exercise All Questions|247 Videos
  • CIRCLE

    RD SHARMA ENGLISH|Exercise All Questions|306 Videos

Similar Questions

Explore conceptually related problems

Diagonals A C and B D of a quadrilateral A B C D intersect at O in such a way that a r( A O D)=a r( B O C) . Prove that A B C D is a trapezium.

Diagonals A C and B D of a quadrilateral A B C D intersect at O in such a way that a r(triangle A O D)=a r(triangle B O C) . Prove that A B C D is a trapezium.

Diagonals AC and BD of a quadrilateral ABCD intersect at O in such a way that a r(A O D)= a r(B O C)dot Prove that ABCD is a trapezium.

Diagonals A C\ a n d\ B D of a trapezium A B C D with A B||D C intersect each other at O . Prove that a r\ ( A O D)=\ a r\ ( B O C) .

Diagonals A C\ a n d\ B D of a quadrilateral A B C D intersect each at P . Show that: a r(/_\A P B)\ x \ a r\ (/_\ C P D) = \ a r\ (\ /_\A P D)\ \ x a r\ (\ /_\P B C)

Diagonals AC and BD of a quadrilateral ABCD intersect each other at P. Show that a r\ (A P B)\ xx\ a r\ (C P D)\ =\ a r\ (A P D)\ xx\ a r\ (B P C)dot

The diagonals of quadrilateral A B C D intersect at O . Prove that (a r( A C B))/(a r( A C D))=(B O)/(D O)

The diagonals of a quadrilateral ABCD intersect each other at the point O such that (A O)/(B O)=(C O)/(D O) . Show that ABCD is a trapezium.

Diagonals A C and B D of a trapezium A B C D with A B || C D intersect each other at O . Prove that ar ( triangle A O D)=a r( triangle B O C) .

In Figure, diagonals AC and BD of quadrilateral ABCD intersect at O such that O B = O D . If A B = C D , then show that: (i) a r /_\(D O C) = a r /_\(A O B) (ii) a r /_\(D C B) = a r /_\(A C B) (iii) D A || CB

RD SHARMA ENGLISH-AREA OF PARALLELOGRAMS AND TRIANGLES-All Questions
  1. A villager Itwari has a plot of land of the shape of a quadrilatera...

    Text Solution

    |

  2. A B C D is a trapezium with A B||D C . A line parallel to A C in...

    Text Solution

    |

  3. Diagonals A C\ a n d\ B D of a quadrilateral A B C D intersect a...

    Text Solution

    |

  4. In Figure, A P || B Q\ || C R. Prove that a r\ ( A Q C)=\ a r\ (P B R)

    Text Solution

    |

  5. In Fig.9.29, a r\ (B D P)\ =\ a r\ (A R C)and a r\ (B D P)\ =\ a r\ (A...

    Text Solution

    |

  6. Diagonals A C and B D of a quadrilateral A B C D intersect at O in suc...

    Text Solution

    |

  7. In Figure, diagonals AC and BD of quadrilateral ABCD intersect at O ...

    Text Solution

    |

  8. A point O inside a rectangle A B C D is joined to the vertices. Prov...

    Text Solution

    |

  9. Show that the area of a rhombus is half the product of the lengths ...

    Text Solution

    |

  10. A B C D is a parallelogram and O is any point in its interior. Prove t...

    Text Solution

    |

  11. A quadrilateral A B C D is such that diagonal B D divides its area in ...

    Text Solution

    |

  12. Parallelogram A B C D and rectangle A B E F have the same base A B and...

    Text Solution

    |

  13. O is any point on the diagonal B D of the parallelogram A B C D. Prove...

    Text Solution

    |

  14. Triangles A B C and DBC are on the same base B C with A, D on opposite...

    Text Solution

    |

  15. D and E are points on sides AB and AC respectively of DeltaA B Csuch...

    Text Solution

    |

  16. If the medians of a triangle A B C intersect at G , show that a r( tr...

    Text Solution

    |

  17. D, E and F are respectively the mid-points of the sides BC, CA and AB...

    Text Solution

    |

  18. B D is one of the diagonals of a quadrilateral A B C D. A M and C N ...

    Text Solution

    |

  19. A B C D is a quadrilateral. A line through D , parallel to A C , mee...

    Text Solution

    |

  20. If the median of a △ABC intersect at G. show that ar (△AGC) = ar (△AGB...

    Text Solution

    |