Home
Class 14
MATHS
In a triangle ABC, angleA=70^(@), angleB...

In a triangle ABC, `angleA=70^(@), angleB=80^(@)` and D is the incentre of `DeltaABC. angleACB=2X^(@)` and `angleBDC=y^(@)`. The values of x and y, respectively are

A

`15^@,130^@`

B

`15^@,125^@`

C

`35^@,40^@`

D

`30^@,150^@`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • 2015 TIER-II PAPER(17)

    CHAMPION PUBLICATION|Exercise EXERCISE|100 Videos

  • 2016 TIER-II PAPER(15)

    CHAMPION PUBLICATION|Exercise EXERCISE|100 Videos

Similar Questions

Explore conceptually related problems

In a triangle ABC,angleA=70^(@),angleB=80^(@) and D is the incentre of DeltaABC,angleACB=2x^(@) and angleBDC=y^(@) . The values of x and y respectively will be

I is the incentre of the triangle ABC. If angleABC=60^(@) and angleACB=50^(@) then angleBIC is

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

If I be the incentre of triangle ABC and angleA=70^(@) then find the value of angleBIC .

In DeltaABC if AB=AC and angleB=70^(@) , then angleC=2a^(@) . Find the value of a

Find the value of x and y respectively, if DeltaABC~=DeltaQRP .

In a DeltaABC, angleA=2 angleB=3 angleC, find each of the triangle.

In a parallelogram ABCD if angleA=(3x-20)^(@), angleB=(y+15)^(@) and angleC=(x+40)^(@) , then the values of x and y respectgively are

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

CHAMPION PUBLICATION-2016 TIER-II PAPER(14)-EXERCISE
  1. If x, y, z are the three roots of a^(3) - 7 a - 6 , then value of ...

    Text Solution

    |

  2. ABCD is a cyclic quadrilateral of which AB is the diameter. Diagonals ...

    Text Solution

    |

  3. In a triangle ABC, angleA=70^(@), angleB=80^(@) and D is the incentre ...

    Text Solution

    |

  4. In a right angled triangle DeltaDEF, if the length of the hypotenuse E...

    Text Solution

    |

  5. Two equal circles intersect so that their centres, and the points at w...

    Text Solution

    |

  6. PQRA is a rectangle, AP = 22 cm, PQ = 8 cm. DeltaABC is a triangle wh...

    Text Solution

    |

  7. DeltaABC is an isosceles right angled triangle having angleC=90^(@). I...

    Text Solution

    |

  8. D and E are points on the sides AB and AC respectively of DeltaABC suc...

    Text Solution

    |

  9. ABCD is a trapezium in which AB||CD and AB=2CD. If its diagonals inter...

    Text Solution

    |

  10. If O is the orthocentre of a triangle ABC and angleBOC=100^(@), the me...

    Text Solution

    |

  11. PQ and RS are common tangents of two circles intersection at A and B. ...

    Text Solution

    |

  12. If secA + tanA =a, then the value of cosA is यदि secA + tanA =a हो,...

    Text Solution

    |

  13. If sin theta + cosec theta = 2, then the value of sin^7theta + cosec^7...

    Text Solution

    |

  14. If cos x.cos y + sin x.sin y = -1 then cos x + cos y is यदि cos x.c...

    Text Solution

    |

  15. The value of the expression 2(sin^(6)theta+cos^(6)theta)-3(sin^(4...

    Text Solution

    |

  16. If cos theta=(x^2-y^2)/(x^2+y^2) then the value of cot theta is equal ...

    Text Solution

    |

  17. The distance between two pillars is 120 metres. The height of one pill...

    Text Solution

    |

  18. If x=cosec theta-sin theta and y = sec theta- cos theta, then the rela...

    Text Solution

    |

  19. A hydrogen filled balloon ascending at the rate of 18 kmph was drifted...

    Text Solution

    |

  20. The angle of elevation of an aeroplane as observed from a point 30 m a...

    Text Solution

    |