Home
Class 9
MATHS
In quadrilateral ABCD, angleA+angleD= 18...

In quadrilateral ABCD, `angleA+angleD= 180^(@)`. What special name can be given to this quadrilateral?

Text Solution

Verified by Experts

It is a trapezium because sum of cointerior angles is `180^(@)`.
Promotional Banner

Topper's Solved these Questions

  • POLYNOMIALS

    NCERT EXEMPLAR|Exercise Polynomials|72 Videos

  • STATISTICS AND PROBABILITY

    NCERT EXEMPLAR|Exercise LONG ANSWER TYPE QUESTIONS|5 Videos

Similar Questions

Explore conceptually related problems

In the quadrilateral ABCD:

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

All the angles of a quadrilateral are equal. What special name is given to this quadrilateral ?

What special name can be given to a quadrilateral whose all angles are equal?

In a quadrilateral ABCD, if AB = 10 cm, CD = 6 cm and angleA+angleD=180^(@) , what type of quadrilateral is ABCD ?

In cyclic quadrilateral ABCD, angle A - angle C =20^(@). Then, angle A= ..........

In a quadrilateral, ABCD, angleDAB + angleBCD=180^(@) , then the quadrilateral ABCD is……………….

ABCD is a quadrilateral in which AB = 5 cm, CD = 8 cm and the sum of angle A and angle D is 180°. What is the name of this quadrilateral?

In the given figure ABD and BCD are isosceles triangles, where AB=BC=BD. The special name that is given to quadrilateral ABCD is

NCERT EXEMPLAR-QUADRILATERALS -Quadrilaterals
  1. Diagonals of a parallelogram are perpendicular to each other. Is this ...

    Text Solution

    |

  2. Can the angles 110^(@), 80^(@), 70^(@) and 95^(@) be the angles of a q...

    Text Solution

    |

  3. In quadrilateral ABCD, angleA+angleD= 180^(@). What special name can b...

    Text Solution

    |

  4. All the angles of a quadrilateral are equal. What special name is give...

    Text Solution

    |

  5. Diagonals of a rectangle are equal and perpendicular. Is this statemen...

    Text Solution

    |

  6. Can all the four angles of a quadrilateral be obtuse angles ? Give rea...

    Text Solution

    |

  7. In DeltaABC, AB = 5cm , BC = 8 cm and CA = 7cm. If D and E are respect...

    Text Solution

    |

  8. In the figure, it is given that BDEF and FDCE are parallelogram. Can y...

    Text Solution

    |

  9. In figure, ABCD and AEFG are two parallelograms. If angleC = 55^(@), ...

    Text Solution

    |

  10. Can all the angles of a quadrilateral be acute angles ? Give reason fo...

    Text Solution

    |

  11. Can all the angles of a quadrilateral be right angles ? Give reason fo...

    Text Solution

    |

  12. Diagonals of a quadrilateral ABCD bisect each other. If angleA=35^(@),...

    Text Solution

    |

  13. Opposite angles of a quadrilateral ABCD are equal. If AB = 4 cm, deter...

    Text Solution

    |

  14. One angle of a quadrilateral is 108^0 and the remaining three angles a...

    Text Solution

    |

  15. ABCD is a trapezium in which AB||DC and angleA=angleB=45^(@). Find an...

    Text Solution

    |

  16. The angle between two altitudes of a parallelogram through the vertex ...

    Text Solution

    |

  17. ABCD is a rhombus in which altitude from D to side AB bisects AB. Find...

    Text Solution

    |

  18. E and F are points on diagonal AC of a parallelogram ABCD such that AE...

    Text Solution

    |

  19. E is the mid-point of the side AD of the trapezium ABCD with AB||DC. A...

    Text Solution

    |

  20. Through A, B and C lines RQ, PR and QP have been drawn, respectively p...

    Text Solution

    |