Home
Class 9
MATHS
The sides of a triangle are 8 cm, 10 cm ...

The sides of a triangle are 8 cm, 10 cm and 12 cm. Prove that the greatest angle is double of the smallest angle.

Promotional Banner

Topper's Solved these Questions

  • CONSTRUCTIONS

    MODERN PUBLICATION|Exercise EXERCISE|69 Videos
  • CIRCLES

    MODERN PUBLICATION|Exercise EXERCISE|94 Videos
  • COORDINATE GEOMETRY

    MODERN PUBLICATION|Exercise EXERCISE|110 Videos

Similar Questions

Explore conceptually related problems

The sides of a triangle are 56 cm, 60 cm and 52 cm long. Then the area of the triangle is :

The lengths of three sides of a triangle are 20 cm, 16 cm and 12 cm. The area of the triangle is

The angles of a triangle are in A.P. and the greatest angle of the triangle is double the least angle, find the greatest angle in radians.

The angles of a quadrilateral are in A.P. Find all the angles if the greatest angle is double the smallest.

The lengths of the sides of a triangle are 4 cm, 12 cm and 13 cm. Find the length of the perpendicular form the opposite vertex to the side whose length is 13 cm

The two sides of a triangle are 18 cm and 10 cm. Its perimeter is 42 cm. Area of this triangle is :

Two sides of a triangle are 12 cm and 14 cm.The perimeter of the triangle is 36 cm.What is the third side?

The sides of a triangle are in AP. If the angles A and C are the greatest and smallest angle respectively, then 4 (1- cos A) (1-cos C) is equal to

In any triangle ABC, the sides are 6 cm, 10 cm and 14 cm. Then the triangle is obtuse angled with the obtuse angle equal to

MODERN PUBLICATION-CONSTRUCTIONS-EXERCISE
  1. The sides of a triangle are 8 cm, 10 cm and 12 cm. Prove that the grea...

    Text Solution

    |

  2. Draw a line segment of length 7.3 cm using a ruler.

    Text Solution

    |

  3. Draw a line segment of length 5cm.Construct the perpendicular bisecto...

    Text Solution

    |

  4. Draw a line segment of length 7.3 cm using a ruler.

    Text Solution

    |

  5. Draw a line segment Ab and obtain a line segment of length 1/4 AB

    Text Solution

    |

  6. Draw a line segment Ab and obtain a line segment of length 1/4 AB

    Text Solution

    |

  7. To draw the perpendicular bisector of line segment AB, we open the com...

    Text Solution

    |

  8. Draw angle (AOB) of measure 15^@

    Text Solution

    |

  9. Two adjacent angles of a parallelogram have equal measure. Find the me...

    Text Solution

    |

  10. Construct the angles of the following measurement 15^@.

    Text Solution

    |

  11. Construct the angles of the following measurement 15^@.

    Text Solution

    |

  12. Construct the angles of the following measurement 15^@.

    Text Solution

    |

  13. Construct the angles of the following measurement 30^@.

    Text Solution

    |

  14. Construct the angles of the following measurement 22frac(1@)(2) .

    Text Solution

    |

  15. Draw an angle of 70^@

    Text Solution

    |

  16. Draw an angle of 70^@

    Text Solution

    |

  17. Construct with ruler and compass angles of following meaures: 90^@

    Text Solution

    |

  18. Construct with ruler and compass angles of following meaures: 135^@.

    Text Solution

    |

  19. an equilateral triangle?

    Text Solution

    |

  20. an equilateral triangle?

    Text Solution

    |

  21. an equilateral triangle?

    Text Solution

    |