Home
Class 12
MATHS
Find the area of the triangle A B C in ...

Find the area of the triangle ` A B C` in which `a=1,\ b=2\ a n d\ /_c=60^0dot`

A

4sq.units

B

`1/2` sq.units

C

`(sqrt3)/2` sq. units

D

`sqrt3` sq. units

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • PROPERTIES OF TRIANGLES AND CIRCLES CONNECTED WITH THEM

    OBJECTIVE RD SHARMA ENGLISH|Exercise Chapter Test|55 Videos

  • PROPERTIES OF TRIANGLES AND CIRCLES CONNECTED WITH THEM

    OBJECTIVE RD SHARMA ENGLISH|Exercise Section II - Assertion Reason Type|13 Videos

  • PLANE AND STRAIGHT LINE IN SPACE

    OBJECTIVE RD SHARMA ENGLISH|Exercise Chapter Test|31 Videos

  • REAL FUNCTIONS

    OBJECTIVE RD SHARMA ENGLISH|Exercise Chapter Test|58 Videos

Similar Questions

Explore conceptually related problems

Find the area of the triangle DeltaA B C in which a=1,\ b=2\ a n d\ /_c=60^0dot

Draw a triangle A B C in which B C=5. 2\ c m ,\ /_B=60^0\ a n d\ /_A=100^0dot

Draw A B C in which A C=6\ c m ,\ /_A=90^0\ a n d\ /_B=60^0dot

Find the area of a quadrilateral A B C D in which A D=24 c m ,\ /_B A D=90^0a n d\ B C D from an equilateral triangle whose each side is equal to 26 c mdot

Draw a parallelogram A B C D in which A B=8c m ,\ A D=5c m\ a n d\ /_A=60^0dot

Construct A B C in which A B=6. 4\ c m ,\ /_A=45^0\ a n d\ /_B=60^0dot

Find the area of the triangle whose vertices are A(3,-1,2),\ B(1,-1,-3)a n d\ C(4,-3,1)dot

Construct a triangle A B C in which A B=5. 8 c m ,\ B C+C A=8. 4\ c m\ a n d\ /_B=60^0

Construct a quadrilateral A B C D in which A B=B C=3c m ,\ A D=C D=5c m\ a n d\ /_B=120^0dot

Using vectors, find the area of the triangle with vertices A(1,1,2),\ B(2,3,5)a n d\ C(1,5,5)

OBJECTIVE RD SHARMA ENGLISH-PROPERTIES OF TRIANGLES AND CIRCLES CONNECTED WITH THEM-Exercise
  1. If b=sqrt(3), c=1 and angleA=30^(@), then the measure of angleB is

    Text Solution

    |

  2. Find the area of the triangle A B C in which a=1,\ b=2\ a n d\ /c=60^...

    Text Solution

    |

  3. In a triangle ABC,vertex angles A,B,C and side BC are given .The area ...

    Text Solution

    |

  4. The area of the circle and the area of a regular polygon of n sides an...

    Text Solution

    |

  5. If cot ""A/2 =(b+c)/(a),then DeltaABC is

    Text Solution

    |

  6. In triangleABC, tanA/2=5/6, tanC/2=2/5, then

    Text Solution

    |

  7. In a triange, the line joining the circumcentre to the incentre is par...

    Text Solution

    |

  8. In a triangle ABC,r=

    Text Solution

    |

  9. The exradii r(1), r(2), and r(3) " of " Delta ABC are in H.P. show tha...

    Text Solution

    |

  10. In any triangle A B C , prove that: a^3cos(B-C)+b^3cos(C-A)+c^3cos(A-B...

    Text Solution

    |

  11. If c^(2)=a^(2)+b^(2), 2s = a+b+c, then 4s(s-a)(s-b)(s-c)=

    Text Solution

    |

  12. The sides of a triangle are 13,14,15, then the radius of its in-circle...

    Text Solution

    |

  13. If a cos A =b cos B, then the triangle is

    Text Solution

    |

  14. The in-radius of the triangle whose sides are 3,5,6,is

    Text Solution

    |

  15. In an equliateral triangle of side 2sqrt3 cm. The find circum-radius.

    Text Solution

    |

  16. If the angle opf a triangle are in the ratio 1:2:3, then show that the...

    Text Solution

    |

  17. In any DeltaABC, prod((sin^(2)A+sin A+1)/(sin A)) is always greater th...

    Text Solution

    |

  18. In any DeltaABC, prod((sin^(2)A+sin A+1)/(sin A)) is always greater th...

    Text Solution

    |

  19. In a right angled triangle ABC sin^(2)A+sin^(2)B+sin^(2)C=

    Text Solution

    |

  20. In any DeltaABC, is 2 cos B=a/2, then the triangle is

    Text Solution

    |