Home
Class 14
MATHS
In Delta ABC, AB = AC, O is a point on B...

In `Delta ABC, AB = AC, O `is a point on BC such that BO = CO and OD is perpendicular to AB and OE is perpendicular to AC. If `/_BOD = 30^@` then measure of `/_AOE` is

A

`75^@`

B

`30^@`

C

`45^@`

D

`60^@`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • 2013 TIER-II PAPER(21)

    CHAMPION PUBLICATION|Exercise EXERCISE|100 Videos

  • 2014 TIER-II PAPER(19)

    CHAMPION PUBLICATION|Exercise EXERCISE|100 Videos

Similar Questions

Explore conceptually related problems

In a Delta ABC, if D is the mid point of BC and AD is perpendicular to AC, then cos B=

In triangle ABC, AB gt AC and D is any point on BC. Prove that, AB gt AD.

In triangle ABC,D is the midpoint of BC and AD is perpendicular to AC. Then cos A.cos C=

If D is a point of the base BC an isosceles triangle ABC such that AD is perpendicular to AC, then a=

In the given Fig. 7 .34, AB = AC. E is a point on CB produced. If AD is perpendicular to BC and EF perpendicular to AC, prove that DeltaABD is similar to DeltaCEF .

AB is a straight line, C and D are points on the same side of AB such that AC is perpendicular to AB and DB is perpendicular to AB. Let AD and BC meet at E. What is (AE)/(AD) + (DE)/(BC) equal to ?

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 ?

In a triangle ABC, angleBAC = 90^@ , AD is the altitude from A on to BC. Draw DE perpendicular to AC and DF perpendicular to AB. Suppose AB =15 and BC = 25. Then the length of EF is

CHAMPION PUBLICATION-2014 TIER-II PAPER(18)-EXERCISE
  1. The point of intersection for the diagonals AC and BD of the cyclic qu...

    Text Solution

    |

  2. Three circles of radius 6 cm touches each other externally. Then the d...

    Text Solution

    |

  3. In Delta ABC, AB = AC, O is a point on BC such that BO = CO and OD is ...

    Text Solution

    |

  4. In an isosceles triangle, if the unequal angle is twice the sum of the...

    Text Solution

    |

  5. ‘O' is the orthocentre of triangle ABC.Then angle BOC +angle BAC is eq...

    Text Solution

    |

  6. In triangle ABC , the bisector of angle BAC intersects BC at D and the...

    Text Solution

    |

  7. If sec theta-cos theta = 3/2 where theta is a positive acute angle. th...

    Text Solution

    |

  8. tan(5x-10^(2))=cot(5y+20^(@)) then value of (x+y) is

    Text Solution

    |

  9. From an aeroplane just over a straight road, the angles of depression ...

    Text Solution

    |

  10. If sin theta +sin^2 theta=1, then the value of cos^12 theta +3cos^10 t...

    Text Solution

    |

  11. The base of a triangle is 12 sqrt3 cm and two angles at the base are 3...

    Text Solution

    |

  12. If a (tan theta+ cot theta )=1, sin theta +cos theta = b,then the rel...

    Text Solution

    |

  13. The value of tan11^@ tan17^@ tan 79^@ tan73^@ is- tan11^@ tan17^@ ta...

    Text Solution

    |

  14. If sin A + sin^2 A = 1, then the value of cos^2A + cos^4 A is यदि ...

    Text Solution

    |

  15. The value of (1+sec20^(@)+cot70^(@))(1-"cosec"20^(@)+tan70^(@)) is...

    Text Solution

    |

  16. Find the valve of '(tanA-secA-1)/(tanA+secA+1)'

    Text Solution

    |

  17. If a certain number of two digits is divided by the sum of its digits,...

    Text Solution

    |

  18. The number x = 1.24242424.....can be expressed in the from x=p/q, wher...

    Text Solution

    |

  19. A number when divided by 2736 leaves the remainder 75. If the same num...

    Text Solution

    |

  20. The value of (4 1/7 - 2 1/4)/(3 1/2 + 1 1/7) div 1/(2+1/(2 + 1/(5 - 1/...

    Text Solution

    |