Home
Class 12
MATHS
The angles of a triangle A B C are in AP...

The angles of a triangle `A B C` are in `AP` and it is being given that `b : c=sqrt(3):sqrt(2)` , then `/_A` (in degree)-

Text Solution

Verified by Experts

The correct Answer is:
`75^(@)`
Promotional Banner

Topper's Solved these Questions

  • SOLUTION OF TRIANGLE

    MOTION|Exercise EXERCISE - 4( LEVEL I)|4 Videos

  • SOLUTION OF TRIANGLE

    MOTION|Exercise EXERCISE - 4( LEVEL II)|10 Videos

  • SOLUTION OF TRIANGLE

    MOTION|Exercise EXERCISE - 2 (LEVEL II)|6 Videos

  • SEQUENCE & SERIES

    MOTION|Exercise Exercise -4 Level -II Previous Year /JEE Advanced|22 Videos

  • STRAIGHT LINE

    MOTION|Exercise Exercise 4 Lelvel -II|7 Videos

Similar Questions

Explore conceptually related problems

The angles of a triangle ABC are in A.P .and it is being given that b:c=sqrt(3):sqrt(2), find /_A.

The angles of a triangle ABC are in AP and if it is being given the b:c=sqrt3:sqrt2,"find"/_A, /_Band/_C.

The angles of a hat boldsymbol QABC are in A.P.(order being A,B,C) and it is being given that b:c=sqrt(3):sqrt(2), then find /_A

The angles of a ?ABC are in A.P.(order being A,B,C) and it is being given that b:c=3 find ZA,then

The ratio of angles in a triangle ABC is 2:3:7 then prove that a:b:c=sqrt(2):2:(sqrt(3)+1)

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

Angles A,B,C of a delta ABC are in AP and b:c=sqrt(3):sqrt(2), then /_A is given by

Let the angles A,B and C of triangle ABC be in A.P. and let b:c be sqrt(3):sqrt(2). Find angle A.

If, in Delta ABC , angle A,B,C are in A.P. And b : c = sqrt(3) : sqrt(2) , then : /_A = ....

Problem on sine rule Type:-1(i) In a DeltaABC ; If a=2;b=3 and sinA=2/3 ;find /_B (ii) In a DeltaABC; the angle of a triangle are in AP ; It is being given that b:c=sqrt3:sqrt2

MOTION-SOLUTION OF TRIANGLE-EXERCISE - 3
  1. The angles of a triangle A B C are in AP and it is being given that b ...

    Text Solution

    |

  2. For any triangle ABC, If B=3C, show that cosC=sqrt((b+c)/(4c)) and s...

    Text Solution

    |

  3. In a triangle ABC, BD is a median. If l(BD) = (sqrt3)/4 l(AB) and /DBC...

    Text Solution

    |

  4. If ABCD is a rhombus. The circumradii of triangleABD and triangleACD a...

    Text Solution

    |

  5. In a triangle ABC if a^2+b^2=101c^2, then find the value of cotC/(cotA...

    Text Solution

    |

  6. If in a triangle ABC, the altitude AM be the bisector of /BAD, where D...

    Text Solution

    |

  7. Prove that : (abc)/(s) cos (A)/(2) cos (B)/(2) cos (C )/(2) = triangle...

    Text Solution

    |

  8. Find the angle of a triangle in which the latitude and a median drawn ...

    Text Solution

    |

  9. If in a triangleABC , a = 6, b=3 and cos(A-B)=4/5 then find its area...

    Text Solution

    |

  10. If in a triangle ABC, /A = 30^@ and the area of triangle (sqrt3a^2)/4 ...

    Text Solution

    |

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

    Text Solution

    |

  12. In a scalene triangle ABC the altitudes AD & CF are dropped from the v...

    Text Solution

    |

  13. Prove that : (r1-r)/(a) +(r2-r)/(b) = (c )/(r3).

    Text Solution

    |

  14. Prove that : (r1+r2) tan (C )/(2) = (r3- r) cot ( C)/(2) = c

    Text Solution

    |

  15. Prove that 2R cos A = 2R + r - r(1)

    Text Solution

    |

  16. The triangle ABC is a right angled triangle, right angle at A. The rat...

    Text Solution

    |

  17. The radii r(1), r(2), r(3) of the escribed circles of the triangle ABC...

    Text Solution

    |

  18. Let a, b and c be the sides of a DeltaABC. If a^2, b^2 and c^2 are t...

    Text Solution

    |

  19. If D is the mid point of CA in triangle ABC and Delta is the area of t...

    Text Solution

    |

  20. Show that the radii of the three escribed circles of a triangle are ro...

    Text Solution

    |