Home
Class 10
MATHS
In figure, QR is a common tangent to the...

In figure, QR is a common tangent to the given circles, touching externally at the point T. The tangent at T meets QR at P.
If PT=3.8cm, then the length of QR(in cm) is

A

3.8

B

7.6

C

5.7

D

1.9

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • CIRCLE

    TARGET PUBLICATION|Exercise Additional Problems for Practice|32 Videos

  • CIRCLE

    TARGET PUBLICATION|Exercise Chapter Assessment|9 Videos

  • CIRCLE

    TARGET PUBLICATION|Exercise Activities for Practice|4 Videos

  • CHALLENGING QUESTIONS

    TARGET PUBLICATION|Exercise Chapter 6: Statistics|4 Videos

  • CO-ORDINATE GEOMETRY

    TARGET PUBLICATION|Exercise CHAPTER ASSESSMENT|19 Videos

Similar Questions

Explore conceptually related problems

In Fig.10.102,QR is a common tangent to the given circles touching externally at the point T. The tangent at T meets QR at P. If PT=3.8cm, then the length of QR(incm) is (FIGURE) (a) 3.8 (b) 7.6 (c) 5.7 (d) 1.9

In the given figure PA and PB are tangents to the circle drawn from an external point P. CD is a third tangent touching the circle at Q. If PB=10cm and CQ=2cm. What is the length of PC?

In the adjoining figure , line PQ is a common tangent to the externally touching circles and the radii of two circles are 25cm and 9cm. Find the length of the common tangent segment of these circles.

In the figure RQ is a tangent to the circle with centre O. If SQ=6cm, QR=4cm, find OR.

In the given figure, PA and PB are tangents to the circle from an external point P. CD is another tangent touching the circle at Q. If PA =12 cm, QC=3cm, then find PC+PD.

In Fig.10.72,PA and PB are tangents to the circle drawn from an external point P.CD is a third tangent touching the circle at Q. If PB=10cm and CQ=2cm, what is the length PC?( FIGURE)

TARGET PUBLICATION-CIRCLE-Multiple Choice Question
  1. Prove that the tangents drawn at the ends of a diameter of a circle...

    Text Solution

    |

  2. The number of parallel tangents atmost a circle can have on a diamete...

    Text Solution

    |

  3. Angles inscribed in the same arc are

    Text Solution

    |

  4. For the above figure l(PR)=

    Text Solution

    |

  5. For the figure given below, which of the following options is correct?

    Text Solution

    |

  6. In the given figure , if TP and TQ are the two tangents to a circle wi...

    Text Solution

    |

  7. In the figure RQ is a tangent to the circle with centre O. If SQ=6cm, ...

    Text Solution

    |

  8. PA and PB are tangents to the circle with centre O touching it at A an...

    Text Solution

    |

  9. In figure, QR is a common tangent to the given circles, touching exter...

    Text Solution

    |

  10. In figure, PQ and PR are two tangents to a circle with centre O. IF an...

    Text Solution

    |

  11. Two circles touch each other externally at P . A B is a common t...

    Text Solution

    |

  12. If two circles with radii 5 cm and 3 cm respectively touch externally,...

    Text Solution

    |

  13. IF two circles of radii r1 and r2 (r2gtr1) touch internally , then the...

    Text Solution

    |

  14. The angle subtended by the diameter at any point on the circles is a//...

    Text Solution

    |

  15. In the given figure, if manglePAB=50^@, then manglePQB=

    Text Solution

    |

  16. For the given figure, which of the following is true?

    Text Solution

    |

  17. In the given figure, square PQRS is a cyclic quadrilateral such that a...

    Text Solution

    |

  18. For the cyclic quadrilateral shown below, which of the following is al...

    Text Solution

    |

  19. In the following figure , m(arc PMQ)=110^@, then anglePQS=

    Text Solution

    |

  20. A tangent segment PT touching a circle in T and a secant PAB are as sh...

    Text Solution

    |