Home
Class 14
MATHS
In DeltaABC,AB=AC and AC=CD,angleB=80^(@...

In `DeltaABC,AB=AC` and `AC=CD,angleB=80^(@)` then `angleADE=?`

A

`150^(@)`

B

`140^(@)`

C

`110^(@)`

D

`120^(@)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • COORDINATE GEOMETRY

    ADVANCED MATHS BY ABHINAY MATHS ENGLISH|Exercise Questions|47 Videos

  • GEOMETRY

    ADVANCED MATHS BY ABHINAY MATHS ENGLISH|Exercise QUESTIONS|158 Videos

Similar Questions

Explore conceptually related problems

In DeltaABC, AB=AC and angleB=50^(@) . Then, angleA= ?

In DeltaABC, BC=AB and angleB=80^(@). Then, angleA= ?

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

In Delta ABC, if AB=AC and angleB=50^(@), " then " angleC is equal to

In a DeltaABC, AB=5 cm, AC=5 cm and angleA= 50^(@) , then angleB=

In DeltaABC , if AB=AC and BD=DC (see figure), then angleADC=

In the DeltaABC,AB=a,AC=c and BC=b , then

In a DeltaABC, angleB=65^(@) and angleC=80^(@) , then the longest side is _________.

ADVANCED MATHS BY ABHINAY MATHS ENGLISH-FREE MATHS LIVE MOCK 20-MULTIPLE CHOICE QUESTIONS
  1. The difference between the time taken by two buses to travel a distanc...

    Text Solution

    |

  2. If a^(x)=b^(y)=c^(z) and abc=1, then find ((x^(2))/(x^(2)-zy)+(y^(2))/...

    Text Solution

    |

  3. In DeltaABC,AB=AC and AC=CD,angleB=80^(@) then angleADE=?

    Text Solution

    |

  4. If bc + ab + ca = abc, then the value of (b+c)/(bc(1-a))+(a+c)/(ac(1-b...

    Text Solution

    |

  5. Simplify (sintheta+sectheta)^(2)+(costheta+cosectheta)^(2).

    Text Solution

    |

  6. If (x+1)/(x-1)=a/b and (1-y)/(1+y)=b/a , then the value of (x-y)/(1...

    Text Solution

    |

  7. A reduction of Rs.1 per dozen in the price of eggs means that a dozen ...

    Text Solution

    |

  8. If cos e ctheta-sintheta=ma n dsectheta-costheta=n , prove that (m^(2n...

    Text Solution

    |

  9. A and B working together can finish a job in x days. If A works alone ...

    Text Solution

    |

  10. A circus tent is cylindrical upto a height of 3m and conical above it....

    Text Solution

    |

  11. A sum of money becomes 7/6 of itself in 3 years at a certain rate of s...

    Text Solution

    |

  12. If a, b, c are positive and a + b + c = 1, then find the least value o...

    Text Solution

    |

  13. What sum of money will become Rs. 1,352 in 2 years at 4% per annum com...

    Text Solution

    |

  14. If (1)/(a+b+c)=(1)/(a)+(1)/(b)+(1)/(c) then find (1)/(a^(7))+(1)/(b^(6...

    Text Solution

    |

  15. A square piece of paper is folded three times along its diagonal to ge...

    Text Solution

    |

  16. The equation (24x^(2)+25x-47)/(ax-2)=-8x-3-(53)/(ax-2) is true for all...

    Text Solution

    |

  17. A water tank is 30 m long, 20 m wide and 12 m deep. It is made of iron...

    Text Solution

    |

  18. A single pipe of diameter x has to be replaced by six pipes of diamete...

    Text Solution

    |

  19. On walking 120 m towards a chimney in a horizonatal line through its b...

    Text Solution

    |

  20. The ratio between the length and the breadth of a rectangular park is ...

    Text Solution

    |