Home
Class 9
MATHS
In the above figure, ABC is an equilater...


In the above figure, ABC is an equilateral triangle of side length `sqrt(3)cm`. Radius of incircle is

A

`3.8cm^(2)`

B

`31.5cm^(2)`

C

`30.5cm^(2)`

D

`31cm^(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • CIRCLES

    CENGAGE|Exercise OLYMPIAD AND NTSE LEVEL EXERCISES|6 Videos
  • CIRCLES

    CENGAGE|Exercise TEST YOURSELF (LEVEL 3)|8 Videos
  • ALGEBRAIC EXPRESSIONS AND POLYNOMIALS

    CENGAGE|Exercise OLYMPIAD AND NTSE LEVEL EXERCISES|10 Videos
  • LAWS OF EXPONENTS AND LOGARITHMS

    CENGAGE|Exercise OLYMPIAD AND NTSE LEVEL EXERCISES|10 Videos

Similar Questions

Explore conceptually related problems

Find the length of the altitude of an equilateral triangle of side 3sqrt(3) cm

Construct an equilateral triangle ABC of side 6cm.

Find the area of an equilateral triangle whose side is 4sqrt(3) cm.

Find the length of the altitude of an equilateral triangle of side 9sqrt3 cm .

The area of an equilateral triangle with side 2sqrt3 cm is

In the given figure, ABC is an equilateral triangle. Two circles of radius 4 cm and 12 cm are inscribed in the triangle. What is the side (in cm) of an equilateral triangle?

In an equilateral triangle of side 3sqrt(3) cm then length of the altitude is

CENGAGE-CIRCLES-TEST YOURSELF (MULTIPLE CHOICE QUESTION)
  1. Ratio of circumference and radius of a circle is equal to If AB =...

    Text Solution

    |

  2. If central angle of an arc is 60^(@) then the ratio of areas of minor ...

    Text Solution

    |

  3. If two diameters of a circle divide it in such a way that the area of ...

    Text Solution

    |

  4. Distance between two parallel chords of lengths 8 cm and 6 cm is 1 cm....

    Text Solution

    |

  5. If OP is the angular bisector of angle BPD an O is the centre, then wh...

    Text Solution

    |

  6. If OM = ON and angleOMP = angleONP = 90^(@), where O is the centre, th...

    Text Solution

    |

  7. ABC is an isosceles triangle with AB = AC. If AD = AE then choose the ...

    Text Solution

    |

  8. In the above diagram, BC is diameter, O is centre and OD|AB. If AC=lam...

    Text Solution

    |

  9. In the above figure, O is the centre and BC = 6 cm. If angleOBA=45^(@)...

    Text Solution

    |

  10. In the above figure, BC is diameter and O is centre. If area (DeltaOAB...

    Text Solution

    |

  11. In the above figure, AB is diameter with length 2x. If angleAPC=20^(@)...

    Text Solution

    |

  12. A square of side length 2 cm is circumscribed by a circle, then area o...

    Text Solution

    |

  13. In the above figure, ABCD is a square of side length 14 cm. Area of sh...

    Text Solution

    |

  14. In the above figure, ABC is an equilateral triangle of side length sqr...

    Text Solution

    |

  15. In the above figure, C(1), C(2) and C(3) are semicircles of diameters ...

    Text Solution

    |

  16. In the above figure C1,C2 and C3 are semicircles of diameters 14 cm, 7...

    Text Solution

    |

  17. In the above figure, AB is diameter of length 10 cm. If angleAPQ=45^(@...

    Text Solution

    |

  18. In the above circle two chords AB and CD intersect at 90^(@). If AP = ...

    Text Solution

    |

  19. If perimeter of an equilateral triangle is equal to circumference of a...

    Text Solution

    |

  20. If radius of circle C(1) is 2 times the radius of circle C(2), then ra...

    Text Solution

    |