Home
Class 14
MATHS
In triangle ABC, angleA is equal to 120...

In triangle ABC, `angleA` is equal to `120^@` . There is a point D inside the triangle such that `angleDBC = 2 angleABD and angleDCB = 2angleACD` . What is the measure of `angleBDC` ?

A

100

B

90

C

140

D

50

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • LCM & HCF

    ADVANCED MATHS BY ABHINAY MATHS ENGLISH|Exercise MULTIPLE CHOICE QUESTIONS |140 Videos

  • MEN & WOMEN

    ADVANCED MATHS BY ABHINAY MATHS ENGLISH|Exercise QUESTIONS|32 Videos

Similar Questions

Explore conceptually related problems

In right triangle ABC , AB=BC , then angleA is equal to

In a triangle ABC, if 2 angleA = 3 angleB = 6 angleC , then what is angleA+ angleC equal to ?

In a triangle ABC, if angleA=70^(@) and AB=AC , then find the measures of angleB and angleC .

Triangle ABC has angle BAC equal to 90^(@). What is the measure of the angle ABC? A. The angle ABC is 35^(@) B. The angle CBA is 55^(@)

In triangle ABC , AB = BC , angle B = 40 ^(@) Then angleA is equal to

In a triangle ABC, angleA lt angleB, angleB gt angleC and angleA=2angleC , prove that AC gt BC gt AB .

In Delta ABC, AB=AC and D is a point on side AC such that BD = BC, If AB = 12.5 cm and BC = 5 cm, then what is the measure of DC ?

The side BC of the triangle ABC is extended to D. If angleACD=120^(@),angleABC=2/(3)angleCAB , then what is angleBAC ?

ADVANCED MATHS BY ABHINAY MATHS ENGLISH-MAINS MOCK TEST -QUESTION
  1. An agent gets 5% commission on all sales up to Rs.10000 and 4% commi...

    Text Solution

    |

  2. A solution contains 15% of salt, from which 30 kg of water is removed...

    Text Solution

    |

  3. In triangle ABC, angleA is equal to 120^@ . There is a point D inside...

    Text Solution

    |

  4. In a triangle DEF, points A, B, and C are C are taken on DE, DF and EF...

    Text Solution

    |

  5. In a DeltaABC, angleA=60^@ , AB = 3 cm , AC = 4 cm .Find the length o...

    Text Solution

    |

  6. In a DeltaABC, AB = AC, D is a point on BC such that angleBAD = 50^@ ...

    Text Solution

    |

  7. In a DeltaABC , Median AD perpendicular to side BC . Find the value ...

    Text Solution

    |

  8. If the semiperimeter of a right angle triangle isa 126 cm and length o...

    Text Solution

    |

  9. DeltaABC is a right angle triangle (right angled at B), BD is perpend...

    Text Solution

    |

  10. In a triangle ABC, the lengths of sides AB and AC equal 17.5 cm and 9 ...

    Text Solution

    |

  11. In a triangle ABC, angle bisector of angleBAC cut the side BD and mee...

    Text Solution

    |

  12. ABCD is a parallelogram. P and Q are mid points of BC & CD. Find the a...

    Text Solution

    |

  13. ABCD is a trapezium in which AD II BC . AB = 9 cm, BC =12 cm, CD = 1...

    Text Solution

    |

  14. If ABCD is an isoceles trapezium. Diagonal BD = 15 cm ,height = 9 cm...

    Text Solution

    |

  15. ABCD is a cyclic trapezium & AB is diameter. BC = 2cm, AB = 8 cm, CD =...

    Text Solution

    |

  16. In a polygon 5 interior angles are equal to 172^@ each and all remain...

    Text Solution

    |

  17. A,B,C and D are 4 points on the circumference of the circle and O is...

    Text Solution

    |

  18. Nikita bought 30kg wheat at the rate of 8.9 rupees per kg and 40kg of ...

    Text Solution

    |

  19. Even after reducing the marked price of a pen by Rs 32, a shopkeeper m...

    Text Solution

    |

  20. If a shopkeeper sells 1/3 of his gods at a profit of 14% 3/5 of the go...

    Text Solution

    |