Home
Class 7
MATHS
A circle of radius 2 cm is cut out from ...

A circle of radius `2 cm` is cut out from a square piece of an aluminums sheet of side `6 cm.` What is the area of the left over aluminums sheet ? (Take `pi=3.14`)

Text Solution

Verified by Experts

Area of sheet=6*6=36`cm^2`
Area of circle=3.14*2*2=12.42`cm^2`
Remaining area= Area of sheet-Area of circle
=36+12.56=23.44`cm^2`
Promotional Banner

Topper's Solved these Questions

  • PERIMETER AND AREA

    NCERT|Exercise EXERCISE 11.4|8 Videos
  • PERIMETER AND AREA

    NCERT|Exercise SOLVED EXAMPLES|22 Videos
  • PERIMETER AND AREA

    NCERT|Exercise EXERCISE 11.2|8 Videos
  • LINES AND ANGLES

    NCERT|Exercise SOLVED EXAMPLES|1 Videos
  • RATIONAL NUMBERS

    NCERT|Exercise SOLVED EXAMPLES|6 Videos

Similar Questions

Explore conceptually related problems

A square sheet of side 5cm is cut out from a rectangular piece of an aluminium sheet of length 9cm and breadth 6cm. What is the area of the aluminium sheet left over?

A square sheet of side 5 cm is cut out from a rectangular piece of an aluminium sheet of length 9 cm and breadth 6 cm. What is the area of the aluminium sheet left over?

A rectangular sheet of length 5 cm and breadth 3 cm is cut from each corner of a square piece of an aluminium sheet of side 10 cm. Find the area of the aluminium sheet leftover.

A rectangular sheet of length 5cm and breadth 3cm is cut from each corner of a square piece of an aluminium sheet of side 10cm. Find the area of the aluminium sheet left over

A square sheet of side 2 cm is cut from each corner of a rectangular piece of an aluminium sheet of length 12 cm and breadth 8 cm. Find the area of the leftover aluminium sheet.

A square sheet of 2cm is cut from each corner of a rectangular piece of aluminium sheet of length 12cm and breadth 8cm. Find the area of the left over aluminium sheet.

What is the circumference of a circle of diameter 10cm. (Take pi=3.14)

NCERT-PERIMETER AND AREA-EXERCISE 11.3
  1. How many times a wheel of radius 28 cm must rotate to go 352 m? (Take...

    Text Solution

    |

  2. The minute hand of a circular clock is 15 cm long. How far does the ti...

    Text Solution

    |

  3. Find the circumference of the inner and the outer circles, shown in th...

    Text Solution

    |

  4. A circular flower garden has an area of 314m^2. A sprinkler at the c...

    Text Solution

    |

  5. A circular flower bed is surrounded by a path 4 m wide. The diameter o...

    Text Solution

    |

  6. The circumference of a circle is 31.4 cm. Find the radius and the area...

    Text Solution

    |

  7. From a circular card sheet of radius 14 cm, two circles of radius 3.5 ...

    Text Solution

    |

  8. A circle of radius 2 cm is cut out from a square piece of an aluminums...

    Text Solution

    |

  9. Find the perimeter of the adjoining figure, which is a semicircle inc...

    Text Solution

    |

  10. Find the circumference of the circles with the following radius: (Take...

    Text Solution

    |

  11. Find the area of the following circles, given that :(a) radius = 14 m...

    Text Solution

    |

  12. If the circumference of a sheet is 154m, find its radius. Also find th...

    Text Solution

    |

  13. A gardener wants to fence a circular garden of diameter 21m. Find the ...

    Text Solution

    |

  14. 6).From a circular sheet of radius 4 cm, a circle of radius 3 cm is re...

    Text Solution

    |

  15. Saima wants to put a lace on the edge of a circular table cover of dia...

    Text Solution

    |

  16. Find the cost of polishing a circular table-top of diameter 1.6 m, if ...

    Text Solution

    |

  17. Shazli took a wire of length 44 cm and bent it into the shape of a cir...

    Text Solution

    |