Home
Class 11
MATHS
One angle of an isosceles triangle is 12...

One angle of an isosceles triangle is `120^0` and the radius of its incricel is `sqrt(3)dot` Then the area of the triangle in sq. units is `7+12sqrt(3)` (b) `12-7sqrt(3)` `12+7sqrt(3)` (d) `4pi`

Promotional Banner

Topper's Solved these Questions

  • PERMUTATIONS AND COMBINATIONS

    ALLEN|Exercise All Questions|1 Videos
  • Solutions of Triangle & Binomial Theorem

    ALLEN|Exercise Do yourself -6|4 Videos

Similar Questions

Explore conceptually related problems

One angle of an isosceles triangle is 120^0 and the radius of its incircle is sqrt(3)dot Then the area of the triangle in sq. units is (a) 7+12sqrt(3) (b) 12-7sqrt(3) (c) 12+7sqrt(3) (d) 4pi

Two medians drawn from the acute angles of a right angled triangle intersect at an angle pi/6dot If the length of the hypotenuse of the triangle is 3u n i t s , then the area of the triangle (in sq. units) is sqrt(3) (b) 3 (c) sqrt(2) (d) 9

Two medians drawn from the acute angles of a right angled triangle intersect at an angle pi/6. If the length of the hypotenuse of the triangle is 3 units, then the area of the triangle (in sq. units) is (a) sqrt3 (b) 3 (c) sqrt2 (d) 9

Find the angles of the triangle whose sides are 3+ sqrt3, 2sqrt3 and sqrt6.

Each side of an equilateral triangle is equal to the radius of a circle whose area is 154\ c m^2dot The area of the triangle is (a) (7sqrt(3))/4\ c m^2 (b) (49sqrt(3))/2\ c m^2 (c) (49sqrt(3))/4\ c m^2 (d) (7sqrt(3))/2\ c m^2

(sqrt(7)+2sqrt(3))(sqrt(7)-2sqrt(3))

The smallest angle of the triangle whose sides are 6 + sqrt(12) , sqrt(48), sqrt(24) is

If the angles of a triangle are 30^0a n d45^0 and the included side is (sqrt(3)+1) cm, then area of the triangle is 1/2(sqrt(3)+1)s qdotu n i t s area of the triangle is 1/2(sqrt(3)-1)s qdotu n i t s

In triangle A B C , if angle is 90^0 and the area of triangle is 30 sqdot units, then the minimum possible value of the hypotenuse c is equal to (a) 30sqrt(2) (b) 60sqrt(2) (c) 120sqrt(2) (d) 2sqrt(30)

In an equilateral triangle, three coins of radii 1 unit each are kept so that they touch each other and also the sides of the triangle. The area of the triangle is 2sqrt(3) (b) 6+4sqrt(3) 12+(7sqrt(3))/4 (d) 3+(7sqrt(3))/4

ALLEN-SOLUTION AND PROPERTIES OF TRIANGLE-All Questions
  1. If A,A1,A2 and A3 be respectively the areas of the inscribed and escri...

    Text Solution

    |

  2. The value of 1+cot ^2A is

    Text Solution

    |

  3. In a triangle, if the angles A , B ,a n dC are in A.P. show that 2cos1...

    Text Solution

    |

  4. Find BC, if the area of the triangle ABC is <img class="eeimg tr...

    Text Solution

    |

  5. The area of a circle is A 1 and the area of a regular pentagon inscri...

    Text Solution

    |

  6. Let a, b, c be the sides of a triangle . No two of them are equal and ...

    Text Solution

    |

  7. If in a triangle of base 'a', the ratio of the other two sides is r ( ...

    Text Solution

    |

  8. If the bisector of the angel C of a triangle ABC cuts AB in D and the ...

    Text Solution

    |

  9. If Delta is the area of a triangle with side lengths a, b, and c, then...

    Text Solution

    |

  10. Which of the following pieces of data does NOT uniquely determine an ...

    Text Solution

    |

  11. If In is the area of n sided regular polygon inscribed in a circle of ...

    Text Solution

    |

  12. If a ,b ,c are the sides of a triangle such that a : b : c=1:sqrt(3...

    Text Solution

    |

  13. Solve : cos^(−1)[cos((−17π)/15)] is equal to-

    Text Solution

    |

  14. One angle of an isosceles triangle is 120^0 and the radius of its incr...

    Text Solution

    |

  15. Internal bisector of /A of triangle ABC meets side BC at D. A line dra...

    Text Solution

    |

  16. Let A B Ca n dA B C ' be two non-congruent triangles with sides A B=4,...

    Text Solution

    |

  17. If the angle A ,Ba n dC of a triangle are in an arithmetic propression...

    Text Solution

    |

  18. Let P Q R be a triangle of area with a=2,b=7/2,a n dc=5/2, w h e r ea...

    Text Solution

    |

  19. about to only mathematics

    Text Solution

    |

  20. In a triangle, the sum of two sides is x and the product of the same t...

    Text Solution

    |