Home
Class 9
MATHS
The diagonals of quadrilateral A B C D...

The diagonals of quadrilateral `A B C D ,\ A C\ a n d\ B D` intersect in `O`. Prove that if `B O=O D ,` the triangles `A B C\ a n d\ A D C` are equal in area.

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

The diagonals of quadrilateral A B C D ,A C and B D intersect in Odot Prove that if B O=O D , the triangles A B C and A D C are equal in area. GIVEN : A quadrilateral A B C D in which its diagonals A C and B D intersect at O such that B O = O Ddot TO PROVE : a r( A B C)=a r( A D C)

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)

In Figure, diagonal A C of a quadrilateral A B C D bisects the angles A and C . Prove that A B=A D and C B=CD .

A B C D is a square. A C\ a n d\ B D intersect at O . State the measure of /_A O B .

In a quadrilateral A B C D , bisectors of angles A\ a n d\ B intersect at O such that /_A O B=75^0, then write the value of /_C+\ /_D

In Figure, diagonal A C of a quadrilateral A B C D bisects the angles A\ a n d\ C . Prove that A B=A D\ a n d\ C B=C D

In the figure, diagonal A C of a quadrilateral A B C D bisects the angles A and C . Prove that A B=A D and C B=CD

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.

The diagonals of a rectangle A B C D\ meet at O . If /_B O C=44^0, find /_O A D

If the diagonal B D of a quadrilateral A B C D bisects both /_B and /_D , show that (A B)/(B C)=(A D)/(C D) .

RD SHARMA ENGLISH-AREA OF PARALLELOGRAMS AND TRIANGLES-All Questions
  1. In Figure, A B C D E\ is a pentagon. A line through B parallel to A...

    Text Solution

    |

  2. Show that the diagonals of a parallelogram divide it into four tria...

    Text Solution

    |

  3. The diagonals of quadrilateral A B C D ,\ A C\ a n d\ B D intersect ...

    Text Solution

    |

  4. If the diagonals A C ,\ B D of a quadrilateral A B C D , interse...

    Text Solution

    |

  5. If each diagonals of a quadrilateral separates it into two triangle...

    Text Solution

    |

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

    Text Solution

    |

  7. The side AB of a parallelogram ABCD is produced to any point P. A line...

    Text Solution

    |

  8. A villager Itwari has a plot of land of the shape of a quadrilatera...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  12. 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

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |