Home
Class 11
MATHS
In a triangle ABC, if B=30^@ and c=sqrt...

In a triangle ABC, if `B=30^@ and c=sqrt3b`, then A can be equal to

A

` 45 ^(@) `

B

` 60 ^(@) `

C

` 90 ^(@) `

D

` 120 ^(@) `

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • PROPERTIES OF TRIANGLES

    AAKASH SERIES|Exercise PRACTICE EXERCISE|132 Videos

  • PROPERTIES OF TRIANGLES

    AAKASH SERIES|Exercise LECTURE SHEET EXERCISE - I ( Straight Objective Type Questions ) |58 Videos

  • PROPERTIES OF TRIANGLES

    AAKASH SERIES|Exercise EXERCISE - 1|98 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 a triangle ABC, if (sqrt(3)-1)a=2b,A=3B then angleC is

In a triangle ABC if 2a= sqrt(3)b+c then

In any triangle ABC, if a : b : c=2 : 3 : 4 , then R : r=

In Delta ABC, if A=75^@,B=45^@,c=sqrt3 , then b=

In triangle ABC are in A.P and b:c= sqrt(3): sqrt(2) , then

In a triangle ABC, if A,B, C are in A.P and b:c = sqrt3:sqrt2 , then

If the angles of triangles ABC are in A.P. and b: c= sqrt3 : sqrt2 " then " angle a =

In a triangle ABc if a=100= c=100 sqrt(2) and A=30^(@) then the angle B=

In Delta ABC , if a=sqrt3+1,b=2,B=45^@ , then A=

In a triangle ABC, R(b+c)= a sqrt(bc) where R is the circum radius of the triangle. Then the triaangle is

AAKASH SERIES-PROPERTIES OF TRIANGLES-EXERCISE - II
  1. Two sides of a triangle are given by the roots of the equation x^2-5x+...

    Text Solution

    |

  2. Two adjacent sides of cyclic quadrilateral are 2 and 5 and angle betwe...

    Text Solution

    |

  3. In a triangle ABC, if B=30^@ and c=sqrt3b, then A can be equal to

    Text Solution

    |

  4. In a Delta ABC, a (cos^2 B+cos^2 C)+cos A(c cos C+b cos B)=

    Text Solution

    |

  5. In Delta ABC , a( b^(2) + c^(2) ) cos A +b ( c^(2) +a^(2)) cos B + c(...

    Text Solution

    |

  6. (cos ^(2) ((B-C)/( 2)) )/( (b+c)^(2))+( sin ^(2)((B-C)/( 2)) )/( (b-c...

    Text Solution

    |

  7. In DeltaABC,(b-c)/(b+c)cot""A/2+(b+c)/(b-c) tan""A/2=

    Text Solution

    |

  8. If a=3,b =4,c= 5 ,then sin 2B is

    Text Solution

    |

  9. If a cos ^(2) "" (C )/(2) +c cos ^(2) "" (A)/(2) = (3b)/( 2 ) " th...

    Text Solution

    |

  10. In Delta ABC , if cos A + 2 cos B + cos C = 2 then a,b,c = in

    Text Solution

    |

  11. If sin theta = a/(b+c) then show that cos theta = (2sqrt(bc))/(b+c) co...

    Text Solution

    |

  12. If a= ( b-c) sec theta " then " tan theta =

    Text Solution

    |

  13. tan ""(A)/(2) + tan ""(B)/(2) + tan""(C )/(2) =

    Text Solution

    |

  14. ( cot ""(A)/(2) + cot ""(B)/(2)+ cot ""( C )/( 2))/( cot A + cot B + ...

    Text Solution

    |

  15. In a triangle ABC, if cot""A/2 cot""B/2=c, cot""B/2 cot""C/2=a and cot...

    Text Solution

    |

  16. If (a+ b+ c) (b+ c-a) = kbc then

    Text Solution

    |

  17. In Delta ABC ,if 5 cos C + 6 cos B = 4 and 6 cos A + 4 cos C = 5 " th...

    Text Solution

    |

  18. In a triangle ABC, (s-a)/11=(s-b)/12=(s-c)/13, then tan^2 (A//2)=

    Text Solution

    |

  19. In Delta ABC, if sin^2""A/2, sin^2""B/2,sin^2""C/2 are in H.P, then a,...

    Text Solution

    |

  20. In Delta ABC, if tan A, tan B, tan C are in H.P., then a^2,b^2,c^2 are...

    Text Solution

    |