Home
Class 10
MATHS
Find the area and perimeter of a sheet o...

Find the area and perimeter of a sheet of a paper which is a sector of a circle of radius 21 cm central angle `45^@`.

Promotional Banner

Topper's Solved these Questions

  • SAMPLE PAPER 11

    AGRAWAL PUBLICATION|Exercise EXERCISE|78 Videos
  • Sample paper 13

    AGRAWAL PUBLICATION|Exercise EXERCISE |30 Videos

Similar Questions

Explore conceptually related problems

Find the area of a sector of a circle of radius 7 cm and central angle 45°.

Find the area of a sector of a circle of radius 28cm and central angle 45^(@) .

Find the area of a sector of a circle of radius 7 cm and central angle 90^(@) .

Find the area of a sector of a circle of diameter 56 cm and central angle 45^(@) .

Find the area of sector of a circle with radius 4 cm and angle 60^@ .

The perimeter of a sheet of paper in the shape of a quadrant of a circle is 75 cm. Find its area

Find the areas of a sector of angle 120^(@) and is corresponding major sector of a circle of radius 21cm.

Find the area of the sector of a circle with radius 5 cm and angle 60^@ .

AGRAWAL PUBLICATION-SAMPLE PAPER 12-EXERCISE
  1. Write a quadratic equation whose zeroes are -7 and 5.

    Text Solution

    |

  2. If sin theta = 12/13, find the value of : (sin^2theta- cos^2 theta)/(2...

    Text Solution

    |

  3. Find the area and perimeter of a sheet of a paper which is a sector o...

    Text Solution

    |

  4. If the perimeter of a circle and a square are equal, then what is the ...

    Text Solution

    |

  5. The two opposite verticles of a square (-1,2) and (3,2) . Find the coo...

    Text Solution

    |

  6. Find a relationship between x and y such that the point (x,y) is equid...

    Text Solution

    |

  7. Find the greatest number which when divides 245 and 1029 leaves remain...

    Text Solution

    |

  8. Solve for x: x^4-20x^2+64 = 0.

    Text Solution

    |

  9. Solve for x and y : = (3a)/x-(2b)/y= -5 and a/x+(3b)/y= 2,x,y!= 0.

    Text Solution

    |

  10. Prove that the area of an equilateral triangle descriped on a side of ...

    Text Solution

    |

  11. If alpha and beta are zeros of a quadratic polynomial 4x^2+4x+1, then ...

    Text Solution

    |

  12. A farmer conects a pipe of internal diameter 20 cm from a canal into c...

    Text Solution

    |

  13. How many terms of the A.P. 9,17,25,….. Must be taken to give a sum of ...

    Text Solution

    |

  14. 5 books and 7 pens together cost Rs 79, whereas 7 books and 5 pens tog...

    Text Solution

    |

  15. The length of a rectangular plot is greater than thrice its breadth by...

    Text Solution

    |

  16. A tower is 50, high. Its shadow is x metres shorter, when the sun's al...

    Text Solution

    |

  17. A dice is thrown twice. What is the probability that 2 will not come u...

    Text Solution

    |

  18. A bag contains 5 red, 8 green and 7 white balls. One ball is drawn at ...

    Text Solution

    |

  19. Find th curved surface area of a right circular cone of height 15 cm a...

    Text Solution

    |

  20. The outer and inner diameters of a circular ring are 34 cm and 32 cm r...

    Text Solution

    |