Home
Class 7
MATHS
The area of a circle is 154 c m^2dot Fin...

The area of a circle is 154 `c m^2dot` Find the radius of the circle.

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

The area of a circle is 616 c m^2dot Find the radius of the circle.

The radius of a circle is 14 cm. Find the radius of the circle whose area is double of the area of the circle.

A sector of 56^0 cut out from a circle contains area 4. 4 c m^2dot Find the radius of the circle

The radius and height of a cone are in the ratio 4:3. The area of the base is 154 c m^2dot Find the area of the curved surface.

The radius and height of a cone are in the ratio 4:3. The area of the base is 154 c m^2dot Find the area of the curved surface.

The area of a circle is 301.84 cm^(2) . Calculate radius of circle

The area of a ring is 528cm^(2) and the radius of the outer circle is 17 cm . Find : (i) the radius of the smaller circle . (ii) the width of the ring.

The circumference of a circle is 31.4 cm. Find the radius and the area of the circle ? (Take pi=3.14 )

The difference between the circumference and radius of a circle is 37 cm. Find the area of the circle

The radius of a circle is 5 m. Find the circumference of the circle whose area is 49 times the area of the given cirlce.

RD SHARMA ENGLISH-MENSURATION-2-All Questions
  1. Find the area of a circle whose radius is (a)7 cm    (b) 2.1 m (c)...

    Text Solution

    |

  2. Find the area of a circle whose diameter is (a)8.4 cm    (b) 5.6 m (c)...

    Text Solution

    |

  3. The area of a circle is 154 c m^2dot Find the radius of the circle.

    Text Solution

    |

  4. Find the radius of a circle, if its area is (a)4\ pi\ c m^2 (b) 55. 4...

    Text Solution

    |

  5. The circumference of a circle is 3.14 m, find its area.

    Text Solution

    |

  6. If the area of a circle is 50. 24\ m^2 , find its circumference.

    Text Solution

    |

  7. A horse is tied to a pole with 28 m long string. Find the area wher...

    Text Solution

    |

  8. A steel wire when bent in the form of a square encloses an area of ...

    Text Solution

    |

  9. A road which is 7 m wide surrounds a circular park whose circumfere...

    Text Solution

    |

  10. Prove that the area of a circular path of uniform width h surroundi...

    Text Solution

    |

  11. The perimeter of a circle is4pir\ c mdot What is the area of the circl...

    Text Solution

    |

  12. A wire of 5024 m length is in the form of a square. It is cut and m...

    Text Solution

    |

  13. The radius of a circle is 14 cm. Find the radius of the circle whos...

    Text Solution

    |

  14. The radius of one circular field is 20 m and that of another is 48 ...

    Text Solution

    |

  15. The radius of one circular field is 5 m and that of the other is 13...

    Text Solution

    |

  16. Two circles are drawn inside a big circle with diameters2/3r d and1...

    Text Solution

    |

  17. In Fig. 19, the radius of quarter circular plot taken is 2 m and ra...

    Text Solution

    |

  18. Four equal circles, each of radius 5cm, touch each other as shown in ...

    Text Solution

    |

  19. The area of circle is 100 times the area of another circle. What is...

    Text Solution

    |

  20. The ratio of the perimeter (circumference) and diameter of a circle ...

    Text Solution

    |