Home
Class 10
MATHS
If the diagonal of a square is 7sqrt2 cm...

If the diagonal of a square is `7sqrt2` cm, then its area is

A

`28 cm^2`

B

`14 sqrt 2 cm^2`

C

`21 cm^2`

D

`49 cm^2`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • SIMILAR TRIANGLES

    BEYOND PUBLICATION|Exercise EXERCISE|143 Videos
  • SETS

    BEYOND PUBLICATION|Exercise EXERCISE|247 Videos
  • STATISTICS

    BEYOND PUBLICATION|Exercise EXERCISE|141 Videos

Similar Questions

Explore conceptually related problems

The length of the diagonal of a square is 5 sqrt 2 cm . Then find the area of the square.

Diagonal of a square is 9 sqrt 2cm then its area is_________ cm^2

Diagonal of a square is 2.8 cm then its area is________ cm^2

Side of a square is 7 cm then its area is__

The diagonal of a cube is sqrt12 cm then Its'edge is _______cm

If the diagonals of a rhombus are 10 cm and 24 cm then area is ……. cm^(2).

If the diagonal of a square is 'a' units, what is the diagonal of the square, whose are is doubel that of the first square?

The edge of a cube is 6sqrt2 cm then Its base area Is______ cm^3

BEYOND PUBLICATION-SIMILAR TRIANGLES-EXERCISE
  1. In an isosceles DeltaPQR,PR=QR and PQ^2=2PR^2, then angleR=

    Text Solution

    |

  2. In DeltaABC the midpoints are D,E and F of the sides AB,BC and CA, the...

    Text Solution

    |

  3. If the diagonal of a square is 7sqrt2 cm, then its area is

    Text Solution

    |

  4. In the figure AB = 2.5 cm, AC = 3.5 cm. If AD is the bisector of angle...

    Text Solution

    |

  5. In the figure DE divides AB and AC in the ratio 1 : 3 If DE = 2.4 cm t...

    Text Solution

    |

  6. The height of an equilateral triangle whose side is a units is

    Text Solution

    |

  7. If triangle ABC ~ triangle XYZ, angle C = 60^@ angle B = 75^@ then ang...

    Text Solution

    |

  8. The maximum nuber of possible tangents that can be draw to a circle is...

    Text Solution

    |

  9. triangle ABC ~ triangle DEF and areas of triangle ABC, triangle DEF ar...

    Text Solution

    |

  10. Area of a regular hexagon whose side is 'a' cm is……………

    Text Solution

    |

  11. IF a man walks 6m to East and 8m to North. Now he is at a distance of ...

    Text Solution

    |

  12. angle CAD in the given figure is………..

    Text Solution

    |

  13. Example for the sides of a Right angled triangle is………….

    Text Solution

    |

  14. Height of an equilateral triangle whose sides is 'a' cm is ………..

    Text Solution

    |

  15. In triangle ABC ~ triangle XYZ, angle C = 60^@ angle B = 70^@ then ang...

    Text Solution

    |

  16. When we construct a triangle similar to a given triangle as per given ...

    Text Solution

    |

  17. triangle ABC ~ triangle DEF is given then which of the following is co...

    Text Solution

    |

  18. In DeltaABC angleC=90^@, BC=a, AB=c, AC=b and 'p' is length of height ...

    Text Solution

    |

  19. From the figure, x =………

    Text Solution

    |

  20. In the given figure, DE//BC and AD : DB = 5 : 4, then (triangle DEF)/(...

    Text Solution

    |