Home
Class 9
MATHS
In a parallelogram A B C D , write the s...

In a parallelogram `A B C D` , write the sum of angle `A\ a n d\ B`

Text Solution

Verified by Experts

In a parallelogram `A B C D ,`
sum of the adjacent angles`=180^@`
so
`/_A+/_B=180^@`
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    RD SHARMA|Exercise All Questions|67 Videos
  • RATIONALISATION

    RD SHARMA|Exercise All Questions|130 Videos

Similar Questions

Explore conceptually related problems

In a parallelogram ABCD ,determine the sum of angles /_C and /_D

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

The diagonals of a parallelogram A B C D intersect at O . If /_B O C=90^0\ a n d\ /_B D C=50^0, then /_O A B= 40^0 (b) 50^0 (c) 10^0 (d) 90^0

In a parallelogram A B C D ,\ the bisector of /_A also bisects B C at Xdot Find A B : A D

In a parallelogram A B C D , the bisector of /_A also bisects B C at Xdot Prove that A D=2A B

In parallelogram ABCD, find angle B, angle C and angle D.

In a parallelogram A B C D , if /_D=115^0, then write the measure of /_A

In Figure, A B C D is a parallelogram. Compute the values of x\ a n d\ y

The sides A B\ a n d\ C D of a parallelogram A B C D are bisected at E\ a n d\ Fdot Prove that E B F D is a parallelogram.

In a parallelogram A B C D diagonals A C\ a n d\ B D intersect at O\ a n d\ A C=6. 8\ c m\ a n d\ B D=5. 6 c m . Find the measures of O C\ a n d\ O D .

RD SHARMA-QUADRILATERALS-All Questions
  1. Show that the line segments joining the mid-points of the opposite s...

    Text Solution

    |

  2. Fill in the blanks to make the following statements correct The tr...

    Text Solution

    |

  3. In a parallelogram A B C D , write the sum of angle A\ a n d\ B

    Text Solution

    |

  4. In a parallelogram A B C D , if /D=115^@, then write the measure of ...

    Text Solution

    |

  5. P Q R S is a square such that P R\ a n d\ S Q intersect at Odot State ...

    Text Solution

    |

  6. In a quadrilateral A B C D , bisectors of angles A\ a n d\ B intersect...

    Text Solution

    |

  7. The diagonals of a rectangle A B C D\ meet at O . If /B O C=44^@, f...

    Text Solution

    |

  8. If P Q R S is a square, then write the measure of /S R P

    Text Solution

    |

  9. If A B C D is a rectangle with /B A C=32^@, find the measure of /D B C

    Text Solution

    |

  10. If A B C D is a rhombus with /A B C=56^@, find the measure of /A C D

    Text Solution

    |

  11. The perimeter of a parallelogram is 22cm. If the longer side measur...

    Text Solution

    |

  12. If the angles of a quadrilateral are in the ratio 3:5:9:13, then find ...

    Text Solution

    |

  13. If the bisectors of two adjacent angles A\ a n d\ B of a quadrilate...

    Text Solution

    |

  14. In a parallelogram A B C D , if /A=(3x-20)^@, /B= (y+15)^@, /C=(x+40)^...

    Text Solution

    |

  15. If measures opposite angles of a parallelogram are (60-x)^@ and (3x-...

    Text Solution

    |

  16. In a parallelogram ABCD , the bisector of /A also bisects BC at X Fin...

    Text Solution

    |

  17. In Figure, P Q R S is an isosceles trapezium. Find x and y

    Text Solution

    |

  18. In Figure, A B C D is a trapezium. Find the value of x\ a n d\ y

    Text Solution

    |

  19. In Figure, P Q R S is a rhombus in which the diagonal P R is produce...

    Text Solution

    |

  20. In Figure, A B C D is a rectangle in which diagonal A C is produced ...

    Text Solution

    |