Home
Class 11
MATHS
In triangle ABC , a = 4, b = 3 and angle...

In triangle ABC , a = 4, b = 3 and `angle A = 60^(@) ` . Then c is root of the equation

A

` c^(2) - 3c -7=0 `

B

` c^(2) +3c +7=0 `

C

` c^(2) - 3c+ 7=0 `

D

` c^(2) + 3c - 7=0 `

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • PROPERTIES OF TRIANGLES

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

  • PROPERTIES OF TRIANGLES

    AAKASH SERIES|Exercise LECTURE SHEET EXERCISE - I (More than One correct answer Type Questions) |4 Videos

  • PROPERTIES OF TRIANGLES

    AAKASH SERIES|Exercise EXERCISE - II|148 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 Delta ABC, if a=4, b=3 angle A=60^@ , then c is the root of the equation

In Delta ABC , a/b = 2 + sqrt2 " and " angle C = 60^(@) . Then the ordered pair (angle A , angle B) is equal to

In Delta ABC , b = sqrt 3+ 1 , c sqrt3-1 and angle A = 60 ^(@) then the value of tan (( B-C)/( 2)) =

In triangle ABC, angleA=60^(@), angle B=40^(@), and angle C=80^(@) If P is the center of the circumcircle of triangle ABC with radius unity, then the radius of the circumcircle of triangle BPC is

In triangle ABC , if angle A = 3 angle B and angle C = 2 angle B . Find all the three angles of triangle ABC .

If triangle ABC ~ triangle PQR if angle A = 50 and angle B = 60 then find the angle of angle R .

In Delta ABC , if a= 2, b= 3 , c=4 then cos A =

In Delta ABC, if a = 6, b=3 and cos (A-B) = (4)/(5) " then " angle C =

AAKASH SERIES-PROPERTIES OF TRIANGLES-PRACTICE EXERCISE
  1. The sides of a triangles are x^(2) +3x + 3, 2x+ 3 and x^(2) + 2x th...

    Text Solution

    |

  2. In Delta ABC , if c^(4) - 2 (a^(2) + b^(2) ) c^(2) + a^(4) +a^(2)...

    Text Solution

    |

  3. In triangle ABC , a = 4, b = 3 and angle A = 60^(@) . Then c is root...

    Text Solution

    |

  4. The roots of x^(2) - 2 sqrt 3 x+ 2=0 represent two sides of a tria...

    Text Solution

    |

  5. (c- b cos A )/( b - c cos A ) =

    Text Solution

    |

  6. ( b+c) cos A + ( c+a) cos B +( a+b) cos C =

    Text Solution

    |

  7. In Delta ABC , if a( b cos C + c cos B ) = 2ka^(2) , then k=

    Text Solution

    |

  8. In Delta ABC , if A,B , C are in A.P. The (a+c)/( sqrt(a^(2) -ac + ...

    Text Solution

    |

  9. InDelta ABC , a( b cos C - c cos B) =

    Text Solution

    |

  10. In Delta ABC , (sin A(a- b cos C))/( sin C ( c-b cos A)) =

    Text Solution

    |

  11. If a,b,c are in A.P. Then cos "" ( A-C)/( 2) cosec ""(B)/(2) =

    Text Solution

    |

  12. In Delta ABC , b = sqrt 3+ 1 , c sqrt3-1 and angle A = 60 ^(@) the...

    Text Solution

    |

  13. If C = A - B = 60 ^(@) " then " (a-b)/ (c )=

    Text Solution

    |

  14. In Delta ABC , if tan ""( A)/(2) = t cot ""(( B- C)/( 2)) , " the...

    Text Solution

    |

  15. In Delta ABC, if a = 6, b=3 and cos (A-B) = (4)/(5) " then " ang...

    Text Solution

    |

  16. In Delta ABC , if a= 2b and A = 3B " then " A =

    Text Solution

    |

  17. In Delta ABC ( tan ""(A)/(2) - tan ""(B) /(2)) /( tan ""(A)/(2) +t...

    Text Solution

    |

  18. If a= 3, b=4, c= 5 then sin ""( A)/(2) =

    Text Solution

    |

  19. In DeltaABC , " find " b cos ^(2).(C)/(2)+c cos^(2).(B)/(2)

    Text Solution

    |

  20. (a+b+c)/( a+b+c) =

    Text Solution

    |