Home
Class 14
MATHS
The centroid of an equilateral triangle ...

The centroid of an equilateral triangle PQR is L. If PQ = 18 cm, then the length of PL is:
एक समबाहु त्रिभुज PQR का केन्द्रक L है। यदि PQ = 18 सेमी है, तो PL की लंबाई ज्ञात करें

A

`3 sqrt3`

B

`5 sqrt3`

C

`6 sqrt3`

D

`4 sqrt3`

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • MEAN, MEDIAN & MODE

    PINNACLE|Exercise EXERCISE|39 Videos
  • MIXTURE & ALLIGATION

    PINNACLE|Exercise EXERCISE|26 Videos
PINNACLE-MENSURATION-EXERCISE
  1. Two concentric circles form a ring. The inner and outer circumference ...

    Text Solution

    |

  2. A, B and C are three points on the circle. If AB = AC= 7 sqrt2 cm and ...

    Text Solution

    |

  3. The centroid of an equilateral triangle PQR is L. If PQ = 18 cm, then ...

    Text Solution

    |

  4. Two circles with centres P and Q of radii 7 cm and 3cm, respectively, ...

    Text Solution

    |

  5. If the breadth and perimeter of a rectangle are in the ratio 1:8 and t...

    Text Solution

    |

  6. The perimeter of a rectangle is 80 cm and its area is 375 cm^2. What i...

    Text Solution

    |

  7. AB is the diameter of a circle. C is a point on a tangent drawn on A. ...

    Text Solution

    |

  8. In the given figure, TB is a chord which passes through the centre of ...

    Text Solution

    |

  9. triangle ABC is an isosceles triangle with AB = AC=13 cm. AD is the me...

    Text Solution

    |

  10. Two concentric circles form a ring. The inner and outer circumference ...

    Text Solution

    |

  11. In triangle ABC E and D are points on sides AB and AC,respectively, su...

    Text Solution

    |

  12. A, B and C are three points on the circle. If AB = AC= 7 sqrt2 cm and ...

    Text Solution

    |

  13. A chord 10 cm long is drawn in a circle of diameter 26 cm. The perpend...

    Text Solution

    |

  14. The ratio of the length and the perimeter of a rectangle is 2:7. What ...

    Text Solution

    |

  15. In the figure, O is the centre of the circle of radius 29 cm, OP bot A...

    Text Solution

    |

  16. In a triangle ABC, 2 angle ABC=9 angle ACB and 2 angle BAC = 7 angle ...

    Text Solution

    |

  17. The total surface area of a solid cube is 2400 cm^2. The volume of the...

    Text Solution

    |

  18. ABCD is a quadrilateral such that angle D= 90^@. A circle with centre ...

    Text Solution

    |

  19. The perimeter of a rectangular field is 32 meters and its sides are in...

    Text Solution

    |

  20. In a circle centred at O, a tangent AP is drawn from an external point...

    Text Solution

    |