Home
Class 7
MATHS
A piece of wire in the form of a rectang...

A piece of wire in the form of a rectangle 8.9 cm long and 5.4 cm broad is reshaped and bent into the form of a circle. Find the radius of the circle.

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • MENSURATION-1

    RD SHARMA ENGLISH|Exercise All Questions|162 Videos

  • OPERATIONS ON RATIONAL NUMBERS

    RD SHARMA ENGLISH|Exercise All Questions|101 Videos

Similar Questions

Explore conceptually related problems

A wire in the form of a rectangle 18.7 cm long and 14.3 cm wide is reshaped and bent into the form of a circle. Find the radius of the circle so formed.

Find the area of a circle with radius 3.5 cm.

A wire is bent in to the form of a square of side 27.5 cm . It is straightened and then bent into the shape of a circle What is the radius of the circle so formed ?

A steel wire when bent in the form of a square encloses an area of 121 \ c m^2 . If the same wire is bent in the form of a circle, find the area of the circle.

A steel wire when bent in the form of a square encloses an area of 121\ c m^2 . If the same wire is bent in the form of a circle, find the area of the circle.

A chord 16 cm long is 6 cm distant form the centre of the circle . Find the diameter of the circle.

The diameter of a circle is 9 cm, find its radius.

Find the area of a rectangle of dimensions 4.7 cm and 5.8 cm.

A wire, when bent in the form of a square, encloses an area of 196 cm^(2) . If the same wire is bent to form a circle, find the area of the circle.

Find the area of a circle of radius 5.6 cm.

RD SHARMA ENGLISH-MENSURATION-2-All Questions
  1. Find the diameter of a circle whose circumference is 15.7 cm.

    Text Solution

    |

  2. The ratio of the radii of two circles is 2: 5. What is the ratio of th...

    Text Solution

    |

  3. A piece of wire in the form of a rectangle 8.9 cm long and 5.4 cm b...

    Text Solution

    |

  4. The diameter of a wheel of a cycle is 70 cm. It moves slowly along ...

    Text Solution

    |

  5. The diameter of the wheel of a car is 77 cm. How many revolutions w...

    Text Solution

    |

  6. There is a circular pond and foot-path runs along its boundary. A m...

    Text Solution

    |

  7. The circumference of a circle exceeds the diameter by 30 cm. Find t...

    Text Solution

    |

  8. A race track is in the form of a ring whose inner circumference is ...

    Text Solution

    |

  9. The inner circumference if a circular track is 220m. The track is 7m ...

    Text Solution

    |

  10. Find the circumference of a circle whose radius is a)14 cm    (b) 10...

    Text Solution

    |

  11. Find the circumference of a circle whose diameter is (a)7 cm     (b)...

    Text Solution

    |

  12. Find the radius of a circle whose circumference is (a)52.8 cm   (b) ...

    Text Solution

    |

  13. Find the diameter of a circle whose circumference is (a)12.56 cm    ...

    Text Solution

    |

  14. The ratio of the radii of two circles is 3: 2. What is the ratio of th...

    Text Solution

    |

  15. A wire in the form of a rectangle 18.7 cm long and 14.3 cm wide is ...

    Text Solution

    |

  16. A piece of wire is bent in the shape of an equilateral triangle of ...

    Text Solution

    |

  17. The diameter of a wheel of a car is 63 cm. Find the distance travel...

    Text Solution

    |

  18. The diameter of a wheel of a car is 98 cm. How many revolutions wil...

    Text Solution

    |

  19. The moon is about 384400 km from the earth and its path around the ...

    Text Solution

    |

  20. How long will John take to make a round of a circular field of radi...

    Text Solution

    |