Home
Class 10
MATHS
A flagstaff 10 m high stands at the cent...

A flagstaff 10 m high stands at the centre of a equilateral triangle, which is horizontal. At the top of the flagstaff each side subtends at an angle of 60°. The length of each side of the triangle is

A

`6sqrt(3)`

B

`4sqrt(6)`

C

`5sqrt(6)`

D

`6sqrt(5)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • HEIGHTS AND DISTANCES

    MCGROW HILL PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS|41 Videos

  • FUNDAMENTALS OF ALGEBRA

    MCGROW HILL PUBLICATION|Exercise Multiple Choice Questions|23 Videos

  • INCOMPLETE FIGURES

    MCGROW HILL PUBLICATION|Exercise EXAMPLE|2 Videos

Similar Questions

Explore conceptually related problems

Find the area of an equilateral triangle having each side 4cm.

Find the area of an equilateral triangle having each side 4cm.

A 10 meters high tower is standing at the centre of an equilateral triangle and each side of the triangle subtends an angle of 60^(@) at the top of the tower. Then the length of each side of the triangle is.

A 10 meters high tower is standing at the center of an equilateral triangel and each side of the triangle subtends an angle of 60^(@) at the top of the tower. Then the lengthof each side of the triangel is

Prove that each angle of an equilateral triangle is 60^(0)

Find the area of an equilateral triangle whose sides are 4cm each.

Show that the angles of an equilateral triangle are 60^(@) each.

Each side of an equilateral triangle is 8 cm . Its area is

Each side of an equilateral triangle is 8 cm. Its area is

MCGROW HILL PUBLICATION-HEIGHTS AND DISTANCES -MULTIPLE CHOICE QUESTIONS
  1. The upper part of a tree, broken by the wind makes an angle of 60° wit...

    Text Solution

    |

  2. A man on the top of a tower, standing on the seashore, finds that a...

    Text Solution

    |

  3. A tower subtends an angle alpha at a point A in the plane of its base ...

    Text Solution

    |

  4. A flag staff of 5m high stands on a building of 25m high. At an obse...

    Text Solution

    |

  5. An aeroplane flying at a height 300 metre above the ground passes vert...

    Text Solution

    |

  6. At a point on level ground, the angle of elevation of a vertical to...

    Text Solution

    |

  7. The straight roads intersect at an angle of 60°. A bus on one road is ...

    Text Solution

    |

  8. A flagstaff 10 m high stands at the centre of a equilateral triangle, ...

    Text Solution

    |

  9. A tree is broken by wind, its upper part touches the ground at a point...

    Text Solution

    |

  10. From the top of a light house, the angles of depression of two station...

    Text Solution

    |

  11. A flag staff on the top of the tower 80 mt of height subtends an angle...

    Text Solution

    |

  12. An aeroplane flying horizontally 900 m above the ground is observed at...

    Text Solution

    |

  13. From the top of the house 18m high, if the angle of elevation of the t...

    Text Solution

    |

  14. If the angle of elevation of an object from a point 100 m above a lake...

    Text Solution

    |

  15. A tower subtends an angle alpha at a point A in the plane of its base ...

    Text Solution

    |

  16. If the angles of elevation of the top of a tower from two points at d...

    Text Solution

    |

  17. A boat is rowed away from a cliff 150 m high. At the top of the cliff,...

    Text Solution

    |

  18. From the top of a church spire 96 m high, the angle of depression of t...

    Text Solution

    |

  19. A flagstaff of height 1/5 of the height of a tower is mounted on the t...

    Text Solution

    |

  20. The angles of elevation of the tops of two vertical towers as seen fro...

    Text Solution

    |