Home
Class 10
MATHS
A sector is cut from a circle of 21 cm d...

A sector is cut from a circle of 21 cm diameter. If the angle is `150^@` then what will be its area?
(Use `pi=22/7`)

A

`144.38cm^2`

B

`150.21cm^2`

C

`121.82cm^2`

D

`151.27cm^2`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • REAL NUMBERS

    OSWAL PUBLICATION|Exercise Self-Assessment |11 Videos

  • SAMPLE PAPER 2

    OSWAL PUBLICATION|Exercise QUESTION BANK|99 Videos

Similar Questions

Explore conceptually related problems

A sector is cut from a circle of diameter 42 cm. If the angle of the sector is 150^@ then what is its area in . cm^2 (Take pi=(22)/(7) )

A sector is cut out from a circle of diameter 42 cm. If the angle of the sector is 150^@ , then its area ( in square cm ) is : (Take pi= 22/7 ) 42 cm व्यास के एक वृत में से एक भाग काटा जाता है,यदि इस भाग का कोण 150^@ तो इसका क्षेत्रफल कितना होगा ?

A sector is cut from a circle of radius 21 cm. The angle of the sector is 150^(@) . Find its area

A sector is cut from a circle of radius 21 cm. If the length of the arc of the sector is 55 cm, then what is the area of the sector? (Take pi = 22/7 )

A sector is cut from a circle of radius 21cm. The angle of the sector is 150o. Find the length o its arc and area.

A sector is cut off from a circle of radius 21 cm. The angle of the sector is 150^(@) . Find the length of its arc and the area.

A sector is cut-off from a circle of radius 21 cm.The angle of the sector is 120o. Find the length of its arc and the area.

The curved surface area of a cylindrical box is 352 square cm. If its height is 10 cm, then what is its diameter ? (Use pi = (22)/(7) )

A sector with acute central angle theta is cut from a circle of diameter 14cm. The area ( in cm^(2)) of the circle circumscribing the sector is

Find the area of circle whose diameter is 21 cm

OSWAL PUBLICATION-SAMPLE PAPER 1-QUESTION BANK
  1. What is the HCF of 16 and 32?

    Text Solution

    |

  2. If the probability of winning a game is 0.3, what is the probabilit...

    Text Solution

    |

  3. A sector is cut from a circle of 21 cm diameter. If the angle is 150^@...

    Text Solution

    |

  4. Give the polynomial of degree 2 with sum and product of its zeros as -...

    Text Solution

    |

  5. Graphically, the pair of equations 6x - 3y+10 = 0 2x - y + 9 = 0 ...

    Text Solution

    |

  6. What should be the factors of denominator, so that a rational number c...

    Text Solution

    |

  7. If the circumference of a circle is eqaul to the perimeter of a square...

    Text Solution

    |

  8. Has the rational number (441)/(2^2xx5^7xx7^2) a terminating or a no...

    Text Solution

    |

  9. Find the coefficient of x^0 in x^2+3x+2=0.

    Text Solution

    |

  10. What is the HCF of the smallest composite number and the smallest p...

    Text Solution

    |

  11. If the HCF of (336,54)=6, find the LCM (336,54)

    Text Solution

    |

  12. Find the distance of the point A(8, -6) from the origin.

    Text Solution

    |

  13. Find the roots of x+(1)/(x)=2

    Text Solution

    |

  14. Calculate the value of c for which pair of linear equations cx - y = 2...

    Text Solution

    |

  15. The radii of two concentric circles are 4 cm and 5 cm. The difference ...

    Text Solution

    |

  16. If x+y=2500 and x-y=2500 then the value of x is:

    Text Solution

    |

  17. Which triogonometric ratio related the adjacent side and opposite side...

    Text Solution

    |

  18. If x=(8+-sqrt((-8)^2-4xx3xx2))/(2xx3) then the required polynomial is:

    Text Solution

    |

  19. The distance between the points A(-8/5,2)and B(2/5,2) is:

    Text Solution

    |

  20. The values of x and y in 2x+3y=2 and x-2y=8 are:

    Text Solution

    |