Home
Class 9
MATHS
In quadrilateral ABCD, angleA=100^(@),an...

In quadrilateral `ABCD`, `angleA=100^(@),angleB=70^(@)andangleC:angleD=8:11,"then find "angleD.`

A

`100^(@)`

B

`110^(@)`

C

`130^(@)`

D

`80^(@)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • QUADRILATERALS

    NAGEEN PRAKASHAN|Exercise Exercise 8b|15 Videos

  • QUADRILATERALS

    NAGEEN PRAKASHAN|Exercise Revision Exercise (very Short Answer Questions)|10 Videos

  • QUADRILATERALS

    NAGEEN PRAKASHAN|Exercise Problems From NCERT/exemplar|11 Videos

  • PROBABILITY

    NAGEEN PRAKASHAN|Exercise Revision Exercise (very Short Answer /short Answer Questions)|10 Videos

  • STATISTICS

    NAGEEN PRAKASHAN|Exercise Revision Exercise|10 Videos

Similar Questions

Explore conceptually related problems

ABCD is a cyclic quadrilateral such that angleA=90^(@),angleB=70^(@),angleC=95^(@) and angleD=105^(@) .

If ABCD is a cyclic quadrilateral with angleA = 50^(@) , angleB = 80^(@) , then angleC and angleD are

The angles of a cyclic quadrilateral ABCD are angleA=(6x+10)^(@), angleB=(5x)^(@), angle C =(x+y)^(@) and angle D = (3y-10)^(@) .

In a quadrilateral ABCD, angleA + angleC = 180^(@) , then angleB + angleD is equal to

In a quadrilateral ABCD, angleA:angleB:angleC:angleD=3:4:5:6 . Then ABCD is a __________

In cyclic quadrilateral ABCD, angle A = 70^(@) and angle B + angle C = 160^(@). Then, angle B= ………

In the quadrilateral ABCD,AC=8sqrt(3)cm, angle CAB=30^(@) angle ADC=60^(@) angle ABC= angle ACD=90^(@). Find the area of the quadrilateral ABCD.

In DeltaABC, angleA=50^(@), angleB=30^(@) and angleC=100^(@) What are the angles of the triangle formed by joining the midpoints of the sides of this triangle?

NAGEEN PRAKASHAN-QUADRILATERALS-Exercise 8a
  1. The angles of a quadrilateral are 89^(@) and 113^(@) If the other two ...

    Text Solution

    |

  2. In quadrilateral ABCD, angleA=100^(@),angleB=70^(@)andangleC:angleD=8:...

    Text Solution

    |

  3. In quadrilateral ABCD, side AB is parallel to side DC. IFangleA:angleD...

    Text Solution

    |

  4. Find the values of x and y from adjoining parallelogram.

    Text Solution

    |

  5. Find x,y and z in each of the following figure:

    Text Solution

    |

  6. In the given figure, find (i) angleXOD(ii) angleXOC

    Text Solution

    |

  7. In the given figure, ABCD is a square and anglePQR=90^(@).If PB=QC=DR,...

    Text Solution

    |

  8. In a square ABCD, diagonals meet at O. P is point on BC such that OB =...

    Text Solution

    |

  9. The give figure shows a square ABCD and an equilayeral teiangle APB. C...

    Text Solution

    |

  10. In the given figure, ABCD is a rohombus with A=67^(@). If DEC is an eq...

    Text Solution

    |

  11. If the adjacent angles of a parallelogram are in the ratio 1/3:1/2. Fi...

    Text Solution

    |

  12. Prove that the sum of two consecutive angles of a parallelogram is 180...

    Text Solution

    |

  13. One angle of a parallelogram is 60^(@). Find its remaining angles.

    Text Solution

    |

  14. One diagonal of a parallelogram biscets its one of the angles. Show th...

    Text Solution

    |

  15. The opposite angles of a parallelogram are (3x-2)^(@)and(150-x)^(@). F...

    Text Solution

    |

  16. In the adjoining figure, ABCD is a parallelogram. If angleABC=125^(@),...

    Text Solution

    |

  17. In a parallelogram, one angleis twice of its consecutiv angle. Find al...

    Text Solution

    |

  18. In a parallelogram ABCD, AX and CY are the bisectors of angleAandangle...

    Text Solution

    |

  19. In a parallelogram PQRS, PX and QY are the perpendiculars drawn from P...

    Text Solution

    |

  20. In a parallelogram ABCD, the bisector of angleA bisects the line Bcat ...

    Text Solution

    |