Home
Class 9
MATHS
A square and an equilateral triangle ...

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`

Promotional Banner

Topper's Solved these Questions

  • GRAPHICAL REPRESENTATION OF STATISTICAL DATA

    RD SHARMA ENGLISH|Exercise All Questions|85 Videos

  • INTRODUCTION TO EUCLID'S GEOMETRY

    RD SHARMA ENGLISH|Exercise All Questions|27 Videos

Similar Questions

Explore conceptually related problems

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 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

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 the diagonal of a square is sqrt(8)\ metre, then its area is: (a) 8\ m^2 (b) 4\ m^2 (c) 16\ m^2 (d) 6\ m^2

If the area of an equilateral triangle is 16sqrt3 cm^(2) , then the perimeter of the triangle is

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

If the length of the diagonal of a square is 20cm, then its perimeter is (a) 10sqrt(2)\ c m (b) 40cm (c) 40sqrt(2)\ c m (d) 200cm

The area of incircle of an equilateral triangle is 154\ c m^2 . The perimeter of the triangle is

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 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

RD SHARMA ENGLISH-HERON'S FORMULA-All Questions
  1. Find the area of an equilateral triangle having each side 4c mdot

    Text Solution

    |

  2. Find the area of an equilateral triangle having each side x\ c m

    Text Solution

    |

  3. The perimeter of a triangular field is 144 m and the ratio of the s...

    Text Solution

    |

  4. Find the area of an equilateral triangle having altitude h\ c mdot

    Text Solution

    |

  5. Let Delta be the area of a triangle. Find the area of a triangle who...

    Text Solution

    |

  6. If each side of a triangle is doubled, then find percentage increas...

    Text Solution

    |

  7. If each side of an equilateral triangle is tripled then what is the...

    Text Solution

    |

  8. The sides of a triangle are 16 c m ,\ 30 c m\ a n d\ 34 c mdot Its a...

    Text Solution

    |

  9. The sides of a triangle are 11m, 60m and 61m. Then altitude to its sma...

    Text Solution

    |

  10. The sides of a triangle are 7\ c m ,\ 9\ c m\ a n d\ 14\ c mdot Its ...

    Text Solution

    |

  11. The sides of a triangle field are 325 m ,\ 300 m\ a n d\ 125 mdot I...

    Text Solution

    |

  12. The sides of a triangle are 50 c m ,\ 78 c m\ a n d\ 112 c mdot\ T...

    Text Solution

    |

  13. The sides of a triangle are 11 c m ,\ 15 c m\ a n d\ 16 c mdot\ Th...

    Text Solution

    |

  14. If the length of median of an equilateral triangle is x cm then its a...

    Text Solution

    |

  15. The lengths of the side of Delta A B C are consecutive integers. ...

    Text Solution

    |

  16. In Figure, the ratio ofA D to D C is 3: 2. If the area of Delta A ...

    Text Solution

    |

  17. The base and hypotenuse of a right triangle are respectively 5cm and...

    Text Solution

    |

  18. If the length of each side of an equilateral triangle of area 4sqrt(3)...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |