Home
Class 11
MATHS
A polygon has 44 diagonals. Find the num...

A polygon has 44 diagonals. Find the number of its sides

Promotional Banner

Topper's Solved these Questions

  • MATHEMATICAL REASONING

    V PUBLICATION|Exercise QUESTION BANK|84 Videos

  • PRINCIPLE OF MATHEMATICAL INDUCTION

    V PUBLICATION|Exercise QUESTION BANK|43 Videos

Similar Questions

Explore conceptually related problems

Diagonal of a rectangle is 12 centimetres in length. The angle made by the diagonal with one of its sides is 30^circ . Find the perimeter and area of the rectangle.

The difference between any two consecutive interior angles of a polygon is 5^@ . If the smallest angle, is 120^@ , find the number of sides of the polygon.

The mass number of an element is 23 and its atomic number is 11 a) Find the number of electrons. b) Find the number of neutrons. c) Write the electronic configuration.

The molecular mass of CO_2 , is 44. Find out the number of molecules in 220g CO_2 .

In the figure, a side of the triangle is 12 centimetres and the angle at its ends are are 45∘ and 60∘ i) Find the length of the other two sides of the triangle. ii) Find the perimeter of this triangle.

A neutral atom possesses 92 protons and 146 neutrons. Find its atomic number, mass number and number of electrons present in it.

How many sides have a polygon, if the number of diagonals be '90 ?'

V PUBLICATION-PERMUTATIONS AND COMBINATIONS-QUESTIONBANK
  1. In an examination, a question paper consists of 12 questions divided i...

    Text Solution

    |

  2. Determine the number of 5 - card combinations out of a deck of 52 .car...

    Text Solution

    |

  3. It is required to seat 5 men and 4 women in a row so that the women oc...

    Text Solution

    |

  4. From a class of 25 students, 10 are to be chosen for an excursion part...

    Text Solution

    |

  5. Consider the word ASSASSINATION. How many different ways can be arra...

    Text Solution

    |

  6. How many words, with or without meaning that can be made from the lett...

    Text Solution

    |

  7. How many different numbers less than 400 can be formed from the digits...

    Text Solution

    |

  8. In how many ways can 5 children stand in a queue?

    Text Solution

    |

  9. A family of 4 males and 3 females are to be arranged in a row for a ph...

    Text Solution

    |

  10. From a class of 12 boys and 10 girls, 10 students are to be chosen for...

    Text Solution

    |

  11. Out of 18 points in a plane, no three are in the same line except 5 po...

    Text Solution

    |

  12. A class consists of 40 girls and 60 boys. In how many ways can a presi...

    Text Solution

    |

  13. Convert into factorials 4.5 .6 .7 .8 .9 .10 .11

    Text Solution

    |

  14. Express (2x+1)! in terms of (2x-1)!,(x+2)! in terms of (x-1)!.Hence,...

    Text Solution

    |

  15. Prove that 33 ! is divisible by 2^(15) . What is the largest integer n...

    Text Solution

    |

  16. Find n, if overset(9) P5+ 5.overset(9) P4= overset(10) Pn

    Text Solution

    |

  17. Show that overset(2 n) Cn=(1 xx 3 xx 5 xx . . xx(2 n-1))/(n !) .2over...

    Text Solution

    |

  18. If n and r are positive integers such that. 2 le r le n, show that o...

    Text Solution

    |

  19. In an exam, Arjun has to select 4 questions from each part. There are ...

    Text Solution

    |

  20. A polygon has 44 diagonals. Find the number of its sides

    Text Solution

    |