Home
Class 10
MATHS
AB and CD are respectively arcs of two c...

AB and CD are respectively arcs of two concentric circles of radii 21 cm and 7 cm and centre O (see the given figure). If `angleAOB = 30^(@)`, find the area of the shaded region.

Text Solution

Verified by Experts

The correct Answer is:
`(308)/(3) cm^(2)`
Promotional Banner

Topper's Solved these Questions

  • AREAS RELATED TO CIRCLES

    KUMAR PRAKASHAN|Exercise Test Your Skills|15 Videos

  • AREAS RELATED TO CIRCLES

    KUMAR PRAKASHAN|Exercise Practice Thoroughly|8 Videos

  • AREAS RELATED TO CIRCLES

    KUMAR PRAKASHAN|Exercise Exercise 12.2|14 Videos

  • ARITHMETIC PROGRESSION

    KUMAR PRAKASHAN|Exercise OBJECTIVE QUESTIONS|1 Videos

Similar Questions

Explore conceptually related problems

AB and CD are respectively arcs to two concentric circles of radii 21cm and 7cm with centre O ( See figure), If /_AOB=30^(@) , find the area of the shaded region. (usepi=(22)/(7))

In the given figure, find the area of the shaded region. (Use pi = 3.14 )

In the given figure, AB and CD are two diameters of a circle (with centre O) perpendicular to each other and OD is the diameter of the smaller circle. If OA = 7 cm, find the area of the shaded region.

The area of an equilateral triangle ABC is 17320.5 cm^(2) . With each vertex of the triangle as centre, a circle is drawn with radius to half the length of the side of the triangle (see the given figure). Find the area of the shaded region. (Use pi = 3.14 and sqrt(3) = 1.73205 )

Two concentric circles of radii 5cm and 3cm are drawn. Find the length of the chord of the larger circle which touches the smaller circle.

In the adjacent figure. AC = 6 cm, AB = 5 cm and angleBAC = 30^(@) . Find the area of the triangle.

In the given figure, two circles with centres A and B touch each other internally at point C. If AC = 8 cm and AB = 3cm, find the area of the shaded region.

Draw two concentric circles with centre O and radii 3 cm and 5 cm. From a point on the biggercircle, draw tangents to the smaller circle.

Two concentric circle are of radii 5cm and 3cm. Find the length of the chord of the larger circle which touches the smaller circle.

Two cocentric circles are of radii 7cm and 25cm. Find the length of the chord of the larger circle which touches the smaller circle.

KUMAR PRAKASHAN-AREAS RELATED TO CIRCLES-Exercise 12.3
  1. Find the area of the shaded region in the given figure, if PQ = 24 cm,...

    Text Solution

    |

  2. Find the area of the shaded region in the given figure, if radii of th...

    Text Solution

    |

  3. Find the area of the shaded region in the given figure, if ABCD is a s...

    Text Solution

    |

  4. Find the area of the shaded region in the given figure, where a circul...

    Text Solution

    |

  5. From each corner of a square of 4 cm quadrant of a circle of radius 1 ...

    Text Solution

    |

  6. In a circular table cover of radius 32 cm, a design is formed leaving ...

    Text Solution

    |

  7. In the given figure, ABCD is a square of side 14 cm. Withcentres A, B,...

    Text Solution

    |

  8. The given figure depicts a racing track whose left and right ends are ...

    Text Solution

    |

  9. In the given figure, AB and CD are two diameters of a circle (with cen...

    Text Solution

    |

  10. The area of an equilateral triangle ABC is 17320.5 cm^(2). With each v...

    Text Solution

    |

  11. On a square handkerchief, nine circular designs each of radius 7 cm ar...

    Text Solution

    |

  12. In the given figure, OACB is a quadrant of a circle with centre O and ...

    Text Solution

    |

  13. In the given figure, a square OABC is inscribed in a quadrant OPBQ. If...

    Text Solution

    |

  14. AB and CD are respectively arcs of two concentric circles of radii 21 ...

    Text Solution

    |

  15. In the given figure, ABC is a quadrant of a circle of radius 14 cm and...

    Text Solution

    |

  16. Calculate the area of the designed region in the given figure common b...

    Text Solution

    |