Home
Class 10
MATHS
From an external point T, tangents PT is...

From an external point T, tangents PT is drawn to the circle whose centre is O. If `OT = 29 cm` and `PT = 21 cm`. Determine the diameter of the circle.

Promotional Banner

Topper's Solved these Questions

  • CIRCLES

    KALYANI PUBLICATION|Exercise EXERCISE|39 Videos

  • ARITHMETIC PROGRESSION

    KALYANI PUBLICATION|Exercise EXERCISE|22 Videos

  • Co-ordinate Geometry

    KALYANI PUBLICATION|Exercise EXERCISE|58 Videos

Similar Questions

Explore conceptually related problems

In figure, PQ is a tangent at a point R of the circle with centre O. If /_TRQ = 30° , find /_PRS .

In figure RQ is a tangent to the circle with centre O.If PQ=6cm and QR=4cm then the value of OR is

If CP and CQ are tangent from an external point C to a circle centered at O. AB is another tangent which touches the circle at R. Of CP =11 cm and BR = 4 cm , find the length of BC.

In figure AP is a tangent to the circle with centre O such that OP=4cm and angleOPA=30^@ then the value of AP is

Two tangents PA and PB are drawn to circle with centre O from an external point P. Prove that angleAPB= 2angleOAB

From a point P,the length of the tangent to a circle is 15 cm and distance of P from the centre of the circle is 17 cm . Find the radius of the circle.

In figure PQ and PR are tangents drawn from P to a circle with centre O.If angleOPQ=35^@ then

Find the area of the shaded region in the given figure. If PR=24cm , PQ=7cm and O is the centre of the circle.

Find the coordinates of a point A,where AB is the diameter of a circle whose centre is (2,-3) and B is (1,4).

From a point P, two tangents PA and PB are drawn to a circle C(0,r). If OP = 2r , show that ∆APB is equilateral.

KALYANI PUBLICATION-CIRCLES-EXERCISE
  1. The length of a tangent drawn to a circle from a point which is a dist...

    Text Solution

    |

  2. PA and PB are tangents to the circle with center O such that /APB=50°,...

    Text Solution

    |

  3. From an external point T, tangents PT is drawn to the circle whose cen...

    Text Solution

    |

  4. AB is a diameter of a circle with centre O and AT is a tangent. If /AO...

    Text Solution

    |

  5. In figure, PQ is a tangent at a point R of the circle with centre O. I...

    Text Solution

    |

  6. Two tangents PA and PB are drawn to circle with centre O from an exter...

    Text Solution

    |

  7. Prove that opposite sides of a quadrilateral circumscribing a circle s...

    Text Solution

    |

  8. ABC is a right angled triangle right angled at A. A circle is inscribe...

    Text Solution

    |

  9. Prove that tangents from extremities of any chord makes equal angle wi...

    Text Solution

    |

  10. PA and PB are two tangents drawn from an external point P at the point...

    Text Solution

    |

  11. ABCD is a quadrilateral such thatangleD=90^@.The circle C(0,r) touches...

    Text Solution

    |

  12. Prove that parallelogram circumscribing a circle is a rhombus.

    Text Solution

    |

  13. From a point P, two tangents PA and PB are drawn to a circle C(0,r). I...

    Text Solution

    |

  14. Prove that the length of tangents drawn from an external point to a ci...

    Text Solution

    |

  15. Prove that the centre of a circle touching two intersecting lines lies...

    Text Solution

    |

  16. In figure two equal circles touch each other at T if QP =4.5 cm then Q...

    Text Solution

    |

  17. Draw a circle with centre O and radius 4 cm. Take a point P outside th...

    Text Solution

    |

  18. Draw a circle of radius 1 cm. From a point P 2.2 cm apart from the cen...

    Text Solution

    |

  19. Construct a tangent to a circle of radius 1.8 cm from a point on the c...

    Text Solution

    |

  20. Draw a pair of tangents to a circle of radius 5 cm which are inclined ...

    Text Solution

    |