Home
Class 11
MATHS
Angles A, Band C of a triangle ABC are i...

Angles A, Band C of a triangle ABC are in A.P.If b/c=`sqrt3/sqrt2,` then angle A is

A

`pi/6`

B

`pi/4`

C

`5pi/12`

D

`pi/2`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • SETS AND RELATIONS

    PATHFINDER|Exercise QUESTION BANK|56 Videos

  • STATISTICS

    PATHFINDER|Exercise QUESTION BANK|45 Videos

Similar Questions

Explore conceptually related problems

The angles A, B, C of triangle ABC are in A.P. and b:c = sqrt(3): sqrt(2) . Find A.

If the angles of the triangle ABC are in A.P. and b:c= sqrt3:sqrt2 then find the value of angleA

Let the angles A , Ba n dC of triangle A B C be in AdotPdot and let b : c be sqrt(3):sqrt(2) . Find angle Adot

Bisectors of angles A, B and C of a triangle ABC intersect its circumcircle at D, E and F respectively. Prove that the angles of the triangle DEF are 90^@-1/2A , 90^@-1/2B and 90^@-1/2C

If the angles A,B,C of a triangle are in A.P. and sides a,b,c, are in G.P., then prove that a^2, b^2,c^2 are in A.P.

If the sines of the angles A and B of a triangle ABC satisfy the equation c^2x^2-c(a+b)x+a b=0 , then the triangle (a) is acute angled (b) is right angled (c) is obtuse angled (d) satisfies the equation sinA+cosA ((a+b))/c

The sides of a triangle are in the ratio 1: sqrt3:2. Then the angles are in the ratio

If the ratio of three sides of a triangle be sqrt(2) : sqrt(3) : sqrt(5) , then the triangle is always a right-angled triangle.

Each angle A, B,C of the triangle ABC is acute and sin (B+C-A)=1 , tan (C+A-B)= sqrt(3) , find A,B and C.

The angle A of the triangle ABC is obtuse, if sec(B+C)=cosec (B-C)=2,find the angles.

PATHFINDER-SOLUTION OF TRIANGLE AND HEIGHT AND DISTANCE-QUESTION BANK
  1. In a triangle ABC, acosA=bcosB. Then the triangle is

    Text Solution

    |

  2. Sides of a triangle ABC are in A.P. If a lt min{b,c},then cosA may be ...

    Text Solution

    |

  3. Angles A, Band C of a triangle ABC are in A.P.If b/c=sqrt3/sqrt2, then...

    Text Solution

    |

  4. In a triangleABC, bccotA+cacotB+c abcotC is equal to ?

    Text Solution

    |

  5. In a triangle ABC, (acosA+bcosB+ccc cosC)/(a+b+c) is equal to

    Text Solution

    |

  6. In a triangle ABC, angleB = pi/3 and angleC= pi/4. Let D divide side B...

    Text Solution

    |

  7. If in a triangle ABC,(2cosA)/a+(cosB)/b+(2cosC)/c=a/(bc)+b/(ac), then ...

    Text Solution

    |

  8. If the bisector of angle A of triangle ABC makes an angle theta with ...

    Text Solution

    |

  9. If P is a point on the altitude AD of the triangle ABC such that ang...

    Text Solution

    |

  10. For a regular of n sides, sides are a , and circum radius is R and in-...

    Text Solution

    |

  11. If p1,p2,p3 are altitudes of a triangle ABC from the vertices A,B,C re...

    Text Solution

    |

  12. In a triangle if the sum of two sides is x and this product is y(ge2sq...

    Text Solution

    |

  13. If P1P2P3are altitude of a triangle which circumscribes a circle of ...

    Text Solution

    |

  14. A nine-side regular polygon with side length 2, is inscribed in a circ...

    Text Solution

    |

  15. A circle is inscribed in an equilateral triangle of side length a. The...

    Text Solution

    |

  16. In a triangle ABC, angleC=pi/2. If r is the in-radius and R is the ci...

    Text Solution

    |

  17. In an ambiguous case of solving a triangle when a=sqrt5,b=2,angleA=p...

    Text Solution

    |

  18. In an equilateral triangle , R:r:r2 is equal to

    Text Solution

    |

  19. In a DeltaABC, angles A,B,C are in A.P. Then lim(A to C)sqrt(3-4sinAsi...

    Text Solution

    |

  20. If a,b,c,d,be the sides of a quadrilateral and g(x)=f[f{f(x)}], where ...

    Text Solution

    |