Home
Class 14
MATHS
The height of an equilateral triangle is...

The height of an equilateral triangle is 10 cm. Its area is (a) `(100)/3\ cm^2` (b) `30\ c m^2` (c) `100\ c m^2` (d) `(100)/(sqrt(3))\ c m^2`

Promotional Banner

Topper's Solved these Questions

  • ALLIGATION OR MIXTURE

    RS AGGARWAL|Exercise All Questions|31 Videos

  • AVERAGE

    RS AGGARWAL|Exercise All Questions|203 Videos

Similar Questions

Explore conceptually related problems

The height of an equilateral triangle is 6 cm. Its area will be (1) 303 cm2 (2) 2/3 cm (3) 2-2 cm

The area of an equilateral triangle is 400 sqrt(3) m^(2) . Its perimeter is

The height of an equilateral triangle is sqrt(6)cm Its area is 3sqrt(3)cm^(2)(b)2sqrt(3)cm^(2)2sqrt(2)cm^(2)(d)6sqrt(2)cm^(2)

If the difference between the circumference and radius of a circle is 37 cm, then its area is (a) 154\ c m^2 (b) 160\ c m^2 (c) 200\ c m^2 (d) 150\ c m^2

The perimeter of an equilateral triangle whose area is 4sqrt3 cm^(2) is equal to (a) 10 cm (b) 12 cm (c) 15 cm (d) 20 cm

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

The perimeter of a triangle is 30 cm and the circumference of its incircle is 88 cm. The area of the triangle is (a) 70\ c m^2 (b) 140\ c m^2 (c) 210\ c m^2 (d) 420\ c m^2

Length of each edge, of a regular tetrahedron is 1 cm. Its volume is (sqrt(3))/(12)c m^3 (b) 1/4sqrt(3) c m^3 (c) (sqrt(2))/6c m^3 (d) 1/(12)sqrt(2) c m^3

If the perimeter of a sector of a circle of radius 6.5 cm is 29 cm, then its area is (a) 58\ c m^2 (b) 52\ c m^2 (c) 25\ c m^2 (d) 56\ c m^2

The area of a circle is 220\ c m^2 . The area of a square inscribed in it is (a) 49\ c m^2 (b) 70\ c m^2 (c) 140\ c m^2 (d) 150\ c m^2

RS AGGARWAL-AREA-All Questions
  1. If the area of an equilateral triangle is 24sqrt(3)\ s qdotc m , th...

    Text Solution

    |

  2. The altitude of an equilateral triangle of side 2sqrt(3)\ c m is 1/...

    Text Solution

    |

  3. The height of an equilateral triangle is 10 cm. Its area is (a) (100)/...

    Text Solution

    |

  4. The areas of two equilateral triangles are in the ratio 25:36. Thei...

    Text Solution

    |

  5. From a point within an equilateral triangle, perpendiculars drawn t...

    Text Solution

    |

  6. If x is the length of a median of an equilateral triangle, then its ar...

    Text Solution

    |

  7. A B C D is a square. E is the mid-point of B C and F is the m...

    Text Solution

    |

  8. If the area of a square with side a is equal to the area of a tr...

    Text Solution

    |

  9. An equilateral triangle is described on the diagonal of a square. W...

    Text Solution

    |

  10. What will be the ratio between the area of a rectangle and the area...

    Text Solution

    |

  11. If an equilateral triangle of area X and a square of area Y have...

    Text Solution

    |

  12. A square and an equilateral triangle have equal perimeters. If the ...

    Text Solution

    |

  13. The ratio of bases of two triangles is x : y and that of their areas i...

    Text Solution

    |

  14. If the sides of a triangle be in the ratio 2 : 3 : 4, the ratio of ...

    Text Solution

    |

  15. If the side of an equilateral triangle is decreased by 20%, its are...

    Text Solution

    |

  16. If the height of a triangle is decreased by 40% and its base is inc...

    Text Solution

    |

  17. If every side of a triangle is doubled, then increase in the area o...

    Text Solution

    |

  18. Two isosceles triangles have equal vertical angles and their correspon...

    Text Solution

    |

  19. If an angle of a triangle remains unchanged but each of its two inc...

    Text Solution

    |

  20. In the given figure, A B C D is a rectangle with A D=4 units and...

    Text Solution

    |