Home
Class 7
MATHS
The area of a right isosceles triangle w...

The area of a right isosceles triangle whose hypotenuse is `6sqrt(2)\ c m` is (a) 12 `c m^2` (b) 15 `c m^2` 12 `c m^2` (d) 18 `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

The length of the hypotenuse of an isosceles right triangle whose one side is 4sqrt(2) cm is 12 c m (b) 8c m (c) 8sqrt(2)c m (d) 12sqrt(2)c m

Find the area of a right angled triangle with base B C=7\ c m and hypotenuse A C=25\ c mdot

The area of a square of side 14cm is (a) 49 c m^2 (b) 156 c m^2 (c) 56 c m^2 (d) 196\ 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

If the length of a diagonal of a cube is 8sqrt(3)\ c m , then its surface area is (a) 512\ c m^2 (b) 384\ c m^2 (c) 192\ c m^2 (d) 768\ c m^2

The lengths of the diagonals of a rhombus are 8 cm and 14 cm. The area of one of the 4 triangle formed by the diagonal is (a)12 c m^2 (b) 8 c m^2 (c)16 \ c m^2 (d) 14 c m^2

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

The base and hypotenuse of a right triangle are respectively 5cm and 13cm long. Its area is: (a) 25 c m^2 (b) 28 c m^2 (c) 30 c m^2 (d) 40 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

Draw a right triangle whose hypotenuse is of length 4\ c m and one side is of length 2. 5\ c mdot

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

    |