Home
Class 11
MATHS
The number of sides of two regular polyg...

The number of sides of two regular polygons are in the ratio 5:4 and the difference between their interior and is `9^@` . find the number of sides in the two polygons.

Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRIC FUNCTIONS

    PATHFINDER|Exercise QUESTION BANK|68 Videos

  • TRIGONOMETRIC RATIOS OF COMPOUND ANGLES

    PATHFINDER|Exercise QUESTIONBANK|25 Videos

Similar Questions

Explore conceptually related problems

The number of diagonals in a regular polygon of 100 sides is -

A polygon has 44 diagonals the number of sides of the polygon is

The number of diagonals of a polygon of n sides is-

The angles of a polygon are in A.P. lying common difference 5^(@) . If the least angle be 120^(@) , find the number of sides of the polygon.

The interior angles of a polygon are in arithmetic progression. The smallest angle is 120^@ and the common difference is 5^@ . Find the number of sides of the polygon.

If, the number of-diagonals of a- polygon is 44. Find the number of sides of that polygon.

Find the number of diagonals in a polygon with n sides.

The ratio of interior and exterior angles of a regular polygon is 3:2. Find the number of sides of the polygon.

PATHFINDER-TRIGONOMETRIC RATIOS AND IDENTITIES-QUESTION BANK
  1. If alpha=pi/15 and cos2alphacos4alphacos8alphacos14alpha=lambda then 2...

    Text Solution

    |

  2. 0ltxltpi/4 and pi/4 < y < pi/2 and underset(k=0)oversetinftysum(-1)^kt...

    Text Solution

    |

  3. The number of sides of two regular polygons are in the ratio 5:4 and t...

    Text Solution

    |

  4. If cosx=-3./5 x lies in the third quadrant fins the values of other fi...

    Text Solution

    |

  5. If tanalpha=m/(m+1) , tanbeta=1/(2m+1) prove that alpha+beta=pi/4

    Text Solution

    |

  6. If (sin(theta+alpha))/(cos(theta-alpha))=(1-m)/(1+m) prove that tan((p...

    Text Solution

    |

  7. Prove that cosalpha+cosbeta+cosgamma+cos(alpha+beta+gamma)= 4cos((alph...

    Text Solution

    |

  8. prove that (sinA+sin3A+sin5A+sin7A)/(cosA+cos3A+cos5A+cos7A)=tan4A

    Text Solution

    |

  9. show that (sinx)/(cos3x)+(sin3x)/(cos9x)+(sin9x)/(cos27x)=1/2(tan27x-t...

    Text Solution

    |

  10. If in a triangle ABC cot(A/2)+cot(C/2)=2cot(B/2) then find the minimum...

    Text Solution

    |

  11. If in triangle ABC cosA+cosB+cosC=3/2 then prove that triangle is equi...

    Text Solution

    |

  12. If tan(alpha/2)=sqrt((a-b)/(a+b)) tan(beta/2) prove that cosalpha=(aco...

    Text Solution

    |

  13. If tanalpha=1/7 ,sinbeta=1/sqrt10 prove that alpha+2beta=(pi/4) where ...

    Text Solution

    |

  14. Show that 2^(sinx)+2^(cosx)ge2^(1-(1/sqrt2))

    Text Solution

    |

  15. (sin(-660^@)tan(1050^@).sec(420^@))/(cos(225^@)cosec(315^@)cos(510^@))...

    Text Solution

    |

  16. If A+B+C=180^@ and tanA +tan B+tan Cgek where A,B,C are acute angles t...

    Text Solution

    |

  17. The value of sin theta and tan theta if cos theta=(-12/13) and theta l...

    Text Solution

    |

  18. The expression 3{sin^4((3pi/2)-alpha)+sin^4(3pi-alpha)} -2{sin^6(pi/2+...

    Text Solution

    |

  19. cos 510^@cos330^@+sin 390^@cos120^@=

    Text Solution

    |

  20. If ABCD is a cyclic quadrilateral then the value of cosA+cosB+cos C+co...

    Text Solution

    |