Home
Class 11
MATHS
If the sides of a triangle are 5, 7, 8...

If the sides of a triangle are 5, 7, 8 then its area is

A

` 10 sqrt3`

B

` 3sqrt(10)`

C

` (3)/(sqrt(10))`

D

`( 10 )/(sqrt3)`

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

The sides of triangle are 4,5,6 then area is

The lengths of the sides of a triangle are integrals, and its area is also integer. One side is 21 and the perimeter is 48. Find the shortest side.

If the lengths of the sides of triangle are 3, 5, and 7, then the largest angle of the triangle is

IF the sides of a triangle ABC are 6,8,10 unit , then the radius of its circumcentre is

If the sides of a triangle ABC are 6,8,10 units, then the radius of its circumcircle is

The sides of a triangle are in AP and its area is (3)/(5) th of area of equilateral triangle of same perimeter then ratio of sides

IF the sides of a triangle are 7,4sqrt3,sqrt13 then its smallest angle is

if (2)/(5)(y)/(z)+(2)/(5)(z)/(x)+(2)/(5)(x)/(y),(2)/(5)(x)/(y)+(2)/(5) (y)/(z) are the sides of a triangle then its area is

If two shorter sides of a triangle measure 9 and 18. If the internal angle bisector drawn to the longest side is 8 then length of longest side of the triangle.

The length of medians of a Delta^("le") ABC are 6, 8 , 10 then its area is

AAKASH SERIES-PROPERTIES OF TRIANGLES-PRACTICE EXERCISE
  1. Area of triangle is 75 cm^(2) and two of its sides 20 cm, 15cm ,t...

    Text Solution

    |

  2. IF 13,14,15 are the sides of the triangle , then the area of the trian...

    Text Solution

    |

  3. If the sides of a triangle are 5, 7, 8 then its area is

    Text Solution

    |

  4. If the area of Delta ABC with sides a,b,c is Delta, then the are...

    Text Solution

    |

  5. Two angles of a triangles are (pi)/(6) and (pi)/(4) included si...

    Text Solution

    |

  6. If in Delta ABC, b-c = 3sqrt3 , A= 120 ^(@) and the area of Delt...

    Text Solution

    |

  7. In Delta ABC , ( bc cos A + c a cos B + ab cos C) /( cot A + cot B ...

    Text Solution

    |

  8. If a = 5, b= 12 ,c = 13 then R =

    Text Solution

    |

  9. If a cos A = b cos B then triangle ABC is

    Text Solution

    |

  10. In Delta ABC , sum a (sin B - sin C)

    Text Solution

    |

  11. In Delta ABC, sum a .sin (B-C)=

    Text Solution

    |

  12. In Delta , sum a^(3) sin (B-C) =

    Text Solution

    |

  13. In Delta ABC , R^(2) ( sin 2A +sin 2B+ sin 2C) =

    Text Solution

    |

  14. If alpha, beta , gamma are the lengths of the altitudes of Delta A...

    Text Solution

    |

  15. If p1,p2,P3 are the lengths of the altitudes from the vertices of...

    Text Solution

    |

  16. If p1, p2, p3 are the lengths of the altitudes from the vertices...

    Text Solution

    |

  17. If cos ^(2) A + cos ^(2) B = cos ^(2) C = 1 then show that Delta A...

    Text Solution

    |

  18. In Delta ABC , if tan A + tan B + tan C =3 sqrt3 then the triangle ...

    Text Solution

    |

  19. In Delta ABC , if sin ^(2)A +sin ^(2) B +sin ^(2) C =(3)/(4) , th...

    Text Solution

    |

  20. In Delta ABC , if cos ^(2)A +cos ^(2) B +cos ^(2) C =(3)/(4) , then...

    Text Solution

    |