Home
Class 11
MATHS
By giving a counter example, show that t...

By giving a counter example, show that the following statement is not true:- p: If all the angles of a triangle are equal, then the triangle is an obtuse angled triangle.

Promotional Banner

Topper's Solved these Questions

  • LINEAR INEQUALITIES

    PSEB|Exercise EXERCISE|68 Videos

  • PERMUTATIONS AND COMBINATIONS

    PSEB|Exercise EXERCISE|53 Videos

Similar Questions

Explore conceptually related problems

By giving a counter example, show that the following statement is not true : p: If the angles of a triangle are equal, then the triangle is an obtuse angled triangle.

Find counter-examples to disprove the following statement: If the corresponding angles in two triangles are equal, then the triangles are congruent.

If the angles of a right angle triangle are in AP then the angles of triangle are:

Write the following statement in five different ways, conveying the same meaning. p: If a triangle is equiangular, then it is an obtuse angled triangle.

Write the following statement in five different ways, conveying the same meaning : p: If a triangle is equiangular, then it is an obtuse- angled triangle.

Can a triangle have Obtuse angle and a right angle

A triangle can have two obtuse angles

PSEB-MATHEMATICAL REASONING-EXERCISE
  1. Show that the statement “For any real numbers a and b, a^2 = b^2 impli...

    Text Solution

    |

  2. Show that the following statement is true by the method of contraposit...

    Text Solution

    |

  3. By giving a counter example, show that the following statement is not ...

    Text Solution

    |

  4. By giving a counter example, show that the following statement is not ...

    Text Solution

    |

  5. Is the following statement is true or false? In each case give a valid...

    Text Solution

    |

  6. Is the following statement is true or false? In each case give a valid...

    Text Solution

    |

  7. Is the following statement is true or false? In each case give a valid...

    Text Solution

    |

  8. Is the following statement is true or false? In each case give a valid...

    Text Solution

    |

  9. Is the following statement is true or false? In each case give a valid...

    Text Solution

    |

  10. Write the negation of the following statement:- p: For every positive...

    Text Solution

    |

  11. Write the negation of the following statement:- q: All cats scratch.

    Text Solution

    |

  12. Write the negation of the following statement:- r: For every real num...

    Text Solution

    |

  13. Write the negation of the following statement:- s: There exists a num...

    Text Solution

    |

  14. State the converse and contrapositive of the following statement : p: ...

    Text Solution

    |

  15. State the converse and contrapositive of the following statement : q: ...

    Text Solution

    |

  16. State the converse and contrapositive of the following statement : r: ...

    Text Solution

    |

  17. Write the statement in the form “if p, then q" :- p: It is necessary t...

    Text Solution

    |

  18. Write the statement in the form “if p, then q" :- q: There is traffic ...

    Text Solution

    |

  19. Write the statement in the form “if p, then q" :- r: You can access th...

    Text Solution

    |

  20. Rewrite the following statement in the form"p if and only if q":- p: I...

    Text Solution

    |