Home
Class 10
MATHS
The area of incircle of an equilateral ...

The area of incircle of an equilateral triangle is `154\ c m^2` . The perimeter of the triangle is (a) 71.5 cm (b) 71.7 cm (c) 72.3 cm (d) 72.7 cm

Promotional Banner

Topper's Solved these Questions

  • ARITHMETIC PROGRESSIONS

    RD SHARMA|Exercise All Questions|329 Videos

Similar Questions

Explore conceptually related problems

The area of the circumcircle of an equilateral triangle is 3pi sq. cm. The perimeter of the triangle is

The area of a circle inscribed in an equilateral triangle is 154cm^(2). Find the perimeter of the triangle.

The area of a circle inscribed in an equilateral triangle is 154cm^(2) . What is the perimeter of the triangle ?

If the area of an equilateral triangle is 16sqrt3 cm^(2) , then the perimeter of the triangle is

Area of the incircle of an equilateral triangle with side 6 cm is

The circumradius of an equilateral triangle is 8 cm. The inradius of the triangle (a) 3.25 cm (b) 4 cm (c) 3.5 cm (d) 4.25 cm

RD SHARMA-AREAS RELATED TO CIRCLES-All Questions
  1. The circumference of a circle is 100 cm. The side of a square inscr...

    Text Solution

    |

  2. The area of the incircle of an equilateral triangle of side 42 cm i...

    Text Solution

    |

  3. The area of incircle of an equilateral triangle is 154\ c m^2 . The...

    Text Solution

    |

  4. What is the area of the largest triangle that can be inscribed in a se...

    Text Solution

    |

  5. The perimeter of a triangle is 30 cm and the circumference of its i...

    Text Solution

    |

  6. The area of a circle is 220\ c m^2 . The area of a square inscribed in...

    Text Solution

    |

  7. If the circumference of a circle increases form 4pi to 8pi , what ...

    Text Solution

    |

  8. If the radius of a circle is diminished by 10%, then its area is di...

    Text Solution

    |

  9. If the area of a square is same as the area of the circle, then the...

    Text Solution

    |

  10. What is the area of the largest triangle that can be inscribed in a se...

    Text Solution

    |

  11. The ratio of the areas of a circle and an equilateral triangle whos...

    Text Solution

    |

  12. If the sum of the areas of two circles with radii r1 and r2 is equal t...

    Text Solution

    |

  13. If the perimeter of a semi-circular protractor is 36 cm, then its d...

    Text Solution

    |

  14. The perimeter of the sector O A B shown in Fig. 15.106, is (a) (64)...

    Text Solution

    |

  15. If the perimeter of a sector of a circle of radius 6.5 cm is 29 cm,...

    Text Solution

    |

  16. If the area of a sector of a circle bounded by an arc of length 5pi...

    Text Solution

    |

  17. The area of the circle that can be inscribed in a square of side 10...

    Text Solution

    |

  18. If the difference between the circumference and radius of a circle ...

    Text Solution

    |

  19. The area of a circular path of uniform width h surrounding a circu...

    Text Solution

    |

  20. If A B is a chord of length 5sqrt(3) cm of a circle with centre ...

    Text Solution

    |