Home
Class 9
MATHS
In Figure, A B C D E\ is a pentagon. A ...

In Figure, `A B C D E\ ` is a pentagon. A line through `B` parallel to `A C` meets `D C` produced at `F`. Show that:
(i) `a r\ ( A C B)=a r\ ( A C F)`
(ii) `a r\ (A E D F)=a r\ (A B C D E)`

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

In Figure, A B C D E is a pentagon. A line through B parallel to A C meets D C produced at F . Show that: (i) a r( triangle A C B)=a r(triangle A C F) (ii) a r( quadrilateral A E D F)=a r(A B C D E)

A B C D is a quadrilateral. A line through D , parallel to A C , meets B C produced in P as shown in figure. Prove that a r (triangle A B P) =a r (Quad. A B C D) .

P is the mid-point of side A B of a parallelogram A B C D . A line through B parallel to P D meets D C at Q\ a n d\ A D produced at R . Prove that: (i) A R=2B C (ii) B R=2\ B Q

P is the mid-point of side A B of a parallelogram A B C D . A Line through B parallel to P D meets D C at Q and A D produced at R . Prove that (i) A R=2B C (ii) B R=2B Qdot

In Figure, A B C D is a quadrilateral and B E || A C and also B E meets D C produced at E . Show that area of triangle A D E is equal to the area of the quadrilateral A B C D .

In Figure, A B C D is a quadrilateral and B E|A C and also B E meets D C produced at Edot Show that area of A D E is equal to the area of the quadrilateral A B C D

In Figure, A B C D is a parallelogram and E F C D is a rectangle. Also A L\ _|_D C . Prove that (i) a r(A B C D=a r(E F C D) (ii) a r\ ( A B C D)=D C x A L

D, E and F are respectively the mid-points of the sides BC, CA and AB of a DeltaA B C . Show that (i) BDEF is a parallelogram. (ii) a r\ (D E F)=1/4a r\ (A B C) (iii) a r\ (B D E F)=1/2a r\ (A B C)

Any point D is taken in the base B C of a triangle A B C\ a n d\ A D is produced to E , making D E equal to A D . Show that a r\ (/_\ B C E)=a r( /_\A B C)

In Figure, A B C D\ a n d\ A E F D are two parallelograms? Prove that: a r\ (\ A P E):\ a r\ (\ P F A)=\ a r\ \ (Q F D)\ : a r\ (\ P F D)

RD SHARMA ENGLISH-AREA OF PARALLELOGRAMS AND TRIANGLES-All Questions
  1. In Figure, A B C D is a quadrilateral and B E|A C and also B E meet...

    Text Solution

    |

  2. Diagonals A C\ a n d\ B D of a trapezium A B C D with A B||D C inte...

    Text Solution

    |

  3. In Figure, A B C D E\ is a pentagon. A line through B parallel to A...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  14. 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

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |