Home
Class 10
MATHS
In the adjoining figure, P is the centre...

In the adjoining figure, P is the centre of the circle with radius 18 cm. If the area of the `trianglePQR` is 100 `cm^2`, find the central `angle QPR`.

Promotional Banner

Topper's Solved these Questions

  • Linear equations in two variables

    CHETANA PUBLICATION|Exercise EXERCISE|78 Videos

  • MODEL ACTIVITY SHEET

    CHETANA PUBLICATION|Exercise EXERCISE|51 Videos

Similar Questions

Explore conceptually related problems

In the adjoining figure,O is the centre of the circle.Find the value of /_ABP if /_POB=90^@ .

In the adjoining figure, if O is the centre of the circle, PQ is a chord. anglePOQ=90^@ , area of shaded region is 114 cm^2 , find the radius of the circle (pi = 3.14)

Attempt the following : (1) Find the area of a circle with radius 7 cm.

In the adjoining figure, Point O is the centre of the circle. Length of chord AB is equal to the radius of the circle. Find /_ACB

In the adjoining figure, Point O is the centre of the circle. Length of chord AB is equal to the radius of the circle. Find m(arc ACB)

In the adjoining figure, Point O is the centre of the circle. Length of chord AB is equal to the radius of the circle. Find m(arc AB)

In the adjoining figure, if A is the centre of the circle. anglePAR = 30^@ AP = 7.5, find the area of segment PQR. (pi=3.14)

If the radius of a circle is 21 cm then area of the circle is

In the adjoining figure,Point O is the centre of the circle.Length of chord AB is equal to the radius of the circle.Find (i) /_AOB

In the adjoining figure , Q is the centre of the circle and PM, PN are tangent segments to the circle. IF angleMPN=40^@ , find angleMQN .

CHETANA PUBLICATION-Mensuration -Example
  1. Area of segment PRQ is 114 sq cm. Chord PQ subtends centre angle angle...

    Text Solution

    |

  2. In the adjoining figure, arc BXC and arc BYC are drawn with radius 8 c...

    Text Solution

    |

  3. In the adjoining figure, P is the centre of the circle with radius 18 ...

    Text Solution

    |

  4. Q.1. (A) Choose the correct alternative answer for the following: (1) ...

    Text Solution

    |

  5. The volume of two spheres are in the ration 8:27, find the ratio of th...

    Text Solution

    |

  6. Attempt the following : (1) Find the area of a circle with radius 7 cm...

    Text Solution

    |

  7. Length of arc of a circle, with radius 5 cm, is 10 cm. Find the area o...

    Text Solution

    |

  8. Find the volume of the shpere of diameter 6 cm. (pi = 3.14)

    Text Solution

    |

  9. If the radius of a sphere is doubled, what will be the ratio of its su...

    Text Solution

    |

  10. Q.3. Attempt any two of the following: (1) The radius of a circle with...

    Text Solution

    |

  11. The diameter and length of a roller is 120 cm and 84 cm respectively. ...

    Text Solution

    |

  12. In the adjoining figure, squareABCD os a square with side 7 cm. With c...

    Text Solution

    |

  13. Q.4. Attempt any two of the following: (1) A regular hexagon is inscri...

    Text Solution

    |

  14. The radius of a metallic sphere is 9 cm. It was melted to make a wire ...

    Text Solution

    |

  15. The radius and height of cylindrical water reservoir is 2.8 m and 3.5 ...

    Text Solution

    |

  16. A tin maker converts a cubical metallic box into 10 cylindrical tins. ...

    Text Solution

    |

  17. The three faces, A, B, C having a common vertex of a cuboid have areas...

    Text Solution

    |

  18. Oil tins of cuboidal shape are made from a metallic sheet with length ...

    Text Solution

    |

  19. Plastic drum of cylindrical shape is made by melting shperical solid p...

    Text Solution

    |

  20. Water drips from a tap at the rate of 4 drops in every 3 seconds. Volu...

    Text Solution

    |