Home
Class 10
MATHS
The number of diagonals for an n side...

The number of diagonals for an n sided polygon is

A

`(n(n+1))/2`

B

`(n (n-1))/2`

C

`(n(n - 3))/2`

D

`(n(n+3))/2`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • QUADRATIC EQUATIONS

    VGS PUBLICATION-BRILLIANT|Exercise CREATIVE BITS FOR CCE MODEL EXAMINATION|130 Videos

  • QUADRATIC EQUATIONS

    VGS PUBLICATION-BRILLIANT|Exercise EXERCISE|270 Videos

  • QUADRATIC EQUATIONS

    VGS PUBLICATION-BRILLIANT|Exercise OBSERVATION MATERIAL TO SOLVE VARIOUS QUESTIONS GIVEN IN THE PUBLIC EXAMINATION|22 Videos

  • PROGRESSIONS (MULTIPLE CHOICE QUESTION)

    VGS PUBLICATION-BRILLIANT|Exercise PROGRESSIONS (MULTIPLE CHOICE QUESTION)|20 Videos

  • QUADRATIC EQUATIONS (MULTIPLE CHOICE QUESTION)

    VGS PUBLICATION-BRILLIANT|Exercise QUADRATIC EQUATIONS (MULTIPLE CHOICE QUESTION)|20 Videos

Similar Questions

Explore conceptually related problems

The number of diagonal for an n sided polygon with 10 sides is

The number oif diagonals of an octagons is

Find the number of diagonals of a polygon with 12 sides.

Find the number of diagonals of a polygon having 20 sides

The number of diagonals in a polygon of 10 sides is

If a polygon of 'n' sides has 1/2 n (n - 3) diagonals. How many sides will a polygon having 65 diagonals ? Is there a polygon with 50 diagonals?

The polygon in which the number of diagonals is equal to the number of sides is

The sum of the radii of inscribed and circumscribed circles for an n sided regular polygon of side a, is

The Number of diagonals of a Quadrilateral is …………….

VGS PUBLICATION-BRILLIANT-QUADRATIC EQUATIONS-OBSERVATION BITS TO SOLVE VARIOUS BITS GIVEN IN THE PUBLIC EXAMINATION
  1. The adjacent diagram indicates…..

    Text Solution

    |

  2. If alpha, beta "are the roots of" x^(2) - 10x + 9 =0, "then" |alpha - ...

    Text Solution

    |

  3. Which one of the following figures shows the quadratic equation ax^(2)...

    Text Solution

    |

  4. If 1 is a common root of ax^(2) + ax + 2 = 0 and x^(2) + x + b = 0 "th...

    Text Solution

    |

  5. The number of diagonals for an n sided polygon is

    Text Solution

    |

  6. A quadratic equation ax^(2) + bx + c = 0 has two distinct real roots, ...

    Text Solution

    |

  7. The discriminant of the quadratic equation px^(2) + qx + r = 0 is….

    Text Solution

    |

  8. The discriminant of 6x^(2) - 5x + 1 = 0 "is"

    Text Solution

    |

  9. One root of the equation x-3/x=2 is……….

    Text Solution

    |

  10. The quadratic polynomial, whose zeroes are sqrt 2 and -sqrt2 is

    Text Solution

    |

  11. If the equation x^(2) + 5x + K = 0 has real and distinct roots, then….

    Text Solution

    |

  12. The quadratic polynomial, whose zeros are 2 and 3, is…..

    Text Solution

    |

  13. Observe the given rectangular figure, then its area in polynomial func...

    Text Solution

    |

  14. Which of the following is a quadratic equation?

    Text Solution

    |

  15. Observe the following graphs. Which as them are the graphs of q...

    Text Solution

    |

  16. Which of the following quadratle. Equations the roots are equal?

    Text Solution

    |

  17. The quadratic polynomial having 1/3 and 1/2 as its zeroes, is…..

    Text Solution

    |

  18. If x^(2) - px + q = 0 (p,q in R and p ne 0, q ne 0) has distinct real ...

    Text Solution

    |

  19. In a quadratic equation ax^(2) + bx + c = 0 "if" b^(2) - 4ac gt 0 then...

    Text Solution

    |

  20. If a number is 132 smaller than its square, then the number is

    Text Solution

    |