Home
Class 11
MATHS
In an acute angle triangle ABC r+r(1)=r(...

In an acute angle triangle ABC `r+r_(1)=r_(2)+r_(3) and angleB gt (pi)/(3)` then

A

`b+2c lt 2a lt 2b +2c`

B

`b+4c+ lt 4a lt 2b lt 4c`

C

`b+4c lt 4a lt 4b+4c`

D

`b+3c lt 3a lt 3b +3c`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • PROPERTIES OF TRIANGLES

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (LEVEL II) (LECTURE SHEET (ADVANCED)) (More than one correct answer Type Questions)|19 Videos
  • PROPERTIES OF TRIANGLES

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (LEVEL II) (LECTURE SHEET (ADVANCED)) (Matrix Matching Type Questions)|9 Videos
  • PROPERTIES OF TRIANGLES

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE-IV) (LEVEL-II) (Matrix Matching Type Questions)|2 Videos
  • PLANES

    AAKASH SERIES|Exercise ADVANCED SUBJECTIVE TYPE QUESTIONS|30 Videos
  • PROPERTIES OF VECTORS

    AAKASH SERIES|Exercise PRACTICE EXERCISES|55 Videos

Similar Questions

Explore conceptually related problems

In in a triangle ABC,r_(1)=2, r_(2) =3 and r_(3)=6 then a=

If in a triangle ABC, r_(1)=2, r_(2)=3 and r_(3) =6 then b=

In triangle ABC, if r_(1)=3, r_(2)=10, r_(3)=15 then R=

In a Delta^("le") ABC if r_(1)=2r_(2)=3r_(3) then

In any triangle ABC, r_1r_2+r_2r_3+r_3r_1=

In Delta ABC,r (r_1+r_2+r_3)=

AAKASH SERIES-PROPERTIES OF TRIANGLES-ADDITIONAL PRACTICE EXERCISE (LEVEL 1 (MAIN)) (Straight Objective Type Questions)
  1. For triangle ABC, R = 5/2 and r=1. Let I be the incenter of the triang...

    Text Solution

    |

  2. Let C be incircle of DeltaABC. If the tangents of lengths t(1),t(2) an...

    Text Solution

    |

  3. In an acute angle triangle ABC r+r(1)=r(2)+r(3) and angleB gt (pi)/(3)...

    Text Solution

    |

  4. If in triangle ABC, sum "sin"(A)/(2)=(6)/(5) and sum II(1)=9 (where l(...

    Text Solution

    |

  5. In DeltaABC with usual notations if r=1, r(1)=7 and R=3, the DeltaABC ...

    Text Solution

    |

  6. Which of the following expresses the circumference of a circle inscrib...

    Text Solution

    |

  7. The area of the circle and the area of a regular polygon of n sides an...

    Text Solution

    |

  8. In any triangle, the minimum value of r(1),r(2),r(3) l r^(3) is equal...

    Text Solution

    |

  9. Statement 1: In any DeltaABC he maximum value of r(1)+r(2)+r(3)=9R//2 ...

    Text Solution

    |

  10. Statement. 1: The incenter of triangle ABC is the orthocenter of the t...

    Text Solution

    |

  11. Let l(1), l(2), l(3) be the lengths of the internal bisectors of angle...

    Text Solution

    |

  12. Let ABC be a triangle. Also, let h(a) be the length of the altitude fr...

    Text Solution

    |

  13. Statement-1: If a = 3, b = 7, c = 8, and internal angle bisector Al me...

    Text Solution

    |

  14. Let ABCDEFGHIJKL be a regular dodecagon. Then the value of (AB)/(AF)+...

    Text Solution

    |

  15. In DeltaABC the incircle touches the sides BC, CA, and AB, respectivel...

    Text Solution

    |

  16. The area of a right triangle is 6864 sq.units. If the ratio of its leg...

    Text Solution

    |

  17. In an Isosceles triangle ABC taken on the Base AC is a point M such th...

    Text Solution

    |

  18. In circle of Delta^("le")ABC meets the side BC at D and ex-circle of D...

    Text Solution

    |

  19. In an acute angled Delta^("le")ABC the circle on altitude AD as diamet...

    Text Solution

    |

  20. A sector OABO of central angle theta is constructed in a circle with c...

    Text Solution

    |