Home
Class 9
MATHS
An exterior angle of a triangle is equal...

An exterior angle of a triangle is equal to the sum of the two interior opposite angles.

Promotional Banner

Topper's Solved these Questions

  • Linear Equations In Two Variables

    MBD|Exercise Exercise|92 Videos

  • Number Systems

    MBD|Exercise Exercise|111 Videos

Similar Questions

Explore conceptually related problems

Exterior angle of a triangle is equal to sum of any two interior angles.

An exterior angle of a triangle is less than either of its interior opposite angles.

An exterior angle of a triangle is equal to the two ............. opposite angles.

The exterior angle of a triangle is of measure 70^@ and one of its interior opposite angles is of measure 20^@ . Find the measure of the other interior opposite angle.

Prove that if one angle of a triangle is equal to the sum of the other two angles, the triangle is right angled.

MBD-Lines and Angles-Exercise
  1. A triangle can have two acute angles.

    Text Solution

    |

  2. A triangle can have two obtuse angles

    Text Solution

    |

  3. An exterior angle of a triangle is equal to the sum of the two interio...

    Text Solution

    |

  4. Sum of the three angles of a triangle is .............. .

    Text Solution

    |

  5. An exterior angle of a triangle is equal to the two ............. oppo...

    Text Solution

    |

  6. An exterior angle of a triangle is always .................... than ei...

    Text Solution

    |

  7. A triangle cannot have more than ............ right angles

    Text Solution

    |

  8. A triangle cannot have more than ............ obtuse angles.

    Text Solution

    |

  9. Sum of the angles of a quadrilateral is ................ .

    Text Solution

    |

  10. In fig. AB and CD intersect each other at point O. If angleAOC + ang...

    Text Solution

    |

  11. In fig. POQ is a line, anglePOR = 4x and angleQOR = 2x then the valu...

    Text Solution

    |

  12. In the given fig. if angleAOC + angleBOD = 75^@ then the value of an...

    Text Solution

    |

  13. In the fig. value of y is :

    Text Solution

    |

  14. In the given fig. the value of x is :

    Text Solution

    |

  15. In fig. , anglePOR and angleQOR form a linear pair if a -b = 80^@ then...

    Text Solution

    |

  16. In fig. angleXYZ = 64^@ and XY is produced to point P. If ray YQ bis...

    Text Solution

    |

  17. In fig. , b is more than one-third of a right angle than a. The value...

    Text Solution

    |

  18. In fig. n - x = 3^@ then values of x and n are :

    Text Solution

    |

  19. For parallel lines the sum of interior angles on the same side of a tr...

    Text Solution

    |

  20. In fig. q II r and p is transversal. If angle1 and angle2, 3 : 2 the...

    Text Solution

    |