Home
Class 7
MATHS
The height of an equilateral triangle is...

The height of an equilateral triangle is `sqrt(6)\ c mdot` Its area is
(a)`3sqrt(3)\ c m^2`
(b) `2sqrt(3)\ c m^2`
(c)`2sqrt(2)\ c m^2`
(d) `6sqrt(2)\ c m^2`

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • LINES AND ANGLES

    RD SHARMA ENGLISH|Exercise All Questions|117 Videos

  • MENSURATION-2

    RD SHARMA ENGLISH|Exercise All Questions|83 Videos

Similar Questions

Explore conceptually related problems

Each side of an equilateral triangle is 8 cm. Its area is (a) 16sqrt(3)\ c m^2 (b) 32sqrt(3)\ c m^2 (c) 24sqrt(3)\ c m^2 (d) 8sqrt(3)\ c m^2

If area of an equilateral triangle is 3sqrt(3)\ c m^2, then its height is (a)3 cm (b) sqrt(3)\ c m (c)6 cm (d) 2sqrt(3)\ c m

The sides of a triangle are 7\ c m ,\ 9\ c m\ a n d\ 14\ c mdot Its area is (a) 12sqrt(5)\ c m^2 (b) 12sqrt(3)\ c m^2 (c) 24sqrt(5)\ c m^2 (d) 63\ c m^2

The area of an equilateral triangle is 4sqrt(3)\ c m^2dot\ The length of each of its side is (a)3 cm (b) 4 cm (c) 2sqrt(3)\ c m (d) (sqrt(3))/2\ c m

A square and an equilateral triangle have equal perimeters. If the diagonal of the square is 12sqrt(2)\ c m , then area of the triangle is: 24sqrt(2)\ c m^2 (b) 24sqrt(3)\ c m^2 48sqrt(3)\ c m^2 (d) 64sqrt(3)\ c m^2

If the length of each side of an equilateral triangle of area 4sqrt(3)\ c m^2,\ is (a) 4\ c m (b) 4/(sqrt(3))c m\ (c) (sqrt(3))/4\ c m (d) 3\ c m

The sum of the length, breadth and depth of a cuboid is 19cm and its diagonal is 5sqrt(5)\ c mdot Its surface area is: (a) 361\ c m^2 (b) 124\ c m^2 (c) 236\ c m^2 (d) 486\ c m^2

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

The area of the incircle of an equilateral triangle of side 42 cm is 22sqrt(3)\ c m^2 (b) 231\ c m^2 (c) 462\ c m^2 (d) 924\ c m^2

The sides of a triangle are 16 c m ,\ 30 c m\ a n d\ 34 c mdot Its area is (a) 225\ c m^2 (b) 240\ c m^2 (c) 225\ sqrt(2\ )\ c m^2 (d) 450\ c m^2

RD SHARMA ENGLISH-MENSURATION-1-All Questions
  1. The length of the diagonals of a rhombus is 16 cm. If its area is 96...

    Text Solution

    |

  2. The lengths of the diagonals of a rhombus are 8 cm and 14 cm. The ar...

    Text Solution

    |

  3. The length of a rectangle is 8 cm more than the breadth. If the peri...

    Text Solution

    |

  4. The length of a rectangle is 8 cm more than the breadth. If the peri...

    Text Solution

    |

  5. The area of a rhombus is 119 c m^2 and its perimeter is 56 cm. The hei...

    Text Solution

    |

  6. Each side of an equilateral triangle is 8 cm. Its area is (a)16sqrt...

    Text Solution

    |

  7. The area of an equilateral triangle is 4sqrt(3)\ c m^2dot\ The length...

    Text Solution

    |

  8. The height of an equilateral triangle is sqrt(6)\ c mdot Its area is ...

    Text Solution

    |

  9. If A is the area an equilateral triangle of height h , then (a)A=sq...

    Text Solution

    |

  10. If area of an equilateral triangle is 3sqrt(3)\ c m^2, then its height...

    Text Solution

    |

  11. The area of a rhombus is 144\ c m^2 and one of its diagonal is double ...

    Text Solution

    |

  12. In Fig.39, the value of k is (a)(77)/8 (b) (73)/8 (c)(71)/8 (d) (...

    Text Solution

    |

  13. In Fig.40, A B C D is a parallelogram of area 144 c m^2, the value of ...

    Text Solution

    |

  14. Find the altitude of a parallelogram whose area is 54\ d m^2 and ba...

    Text Solution

    |

  15. In Fig.42, A B C D is a parallelogram in which A D=21\ c m , D H=18\ c...

    Text Solution

    |

  16. In Fig.42, A B C D is a parallelogram in which A D=21\ c m ,\ D H=18\ ...

    Text Solution

    |

  17. Find the area of a parallelogram whose base is 8cm and altitude is 4.5...

    Text Solution

    |

  18. A piece of wire of length 12 cm is bent to form a square. The area o...

    Text Solution

    |

  19. The area of a right isosceles triangle whose hypotenuse is 6sqrt(2)\...

    Text Solution

    |

  20. A wire is in the form of a square of side 18 m. It is bent in the fo...

    Text Solution

    |