Home
Class 12
MATHS
A circle centered at P with radius 4 cm ...

A circle centered at P with radius 4 cm and another circle centered at Q with radius 16 cm toucheach other externally. A third circle with centre Ris drawn to touch the first two circles and oneof their common tangents as shown in the figure. Then, the radius of the circle with centre `R` is:

Promotional Banner

Similar Questions

Explore conceptually related problems

Two circles of radii 9cm and 4cm touch each other externally. Another circle of radius C touchs these two circles and their direct common tangent. Find C.

Circles of radii 36 and 9 touches externally. The radius of the circle which touches the two circles externally and also their common tangent is

Two circles with centers A and B and radius 2 touch each other externally at C.A third circle with center C and radius 2 meets the other two at D,E Then area ABDE is

Two circles of radius 1 and 4 touch each other externally.Another circle of radius r touches both circles externally and also one direct common tangent of the two circles.Then [(1)/(r)]=

Two circles with radii a and b respectively touch each other externally . Let c be the radius of a circle that touches these two circles as well as a common tangent to the circles. Then

Two circles of radius 8.2 cm and 3.6 cm touch each other externally , the distance between their centres is …………

AP is the tangent to a circle with centre O as shown in the figure .IF angleP=45^(@) and radius of the circle is 5cm,then OP is equal to :

A point P is 13cm from the centre of the circle.The length of the tangent drawn from P to the circle is 12cm. Find the radius of the circle.

A point P is 13cm from the centre of the circle. The length of the tangent drawn from P to the circle is 12 cm. Find the radius of the circle.

Recommended Questions
  1. A circle centered at P with radius 4 cm and another circle centered at...

    Text Solution

    |

  2. A circle centered at P with radius 4cm and another circle centered at ...

    Text Solution

    |

  3. दो वृत्त एक-दुसरे को बाह्य रूप से स्पर्श करते हे| उनके केन्द्रो के बीच...

    Text Solution

    |

  4. दो वृत्त एक-दूसरे को अन्तः स्पर्श करते हैं। वृत्तों के केन्द्रो के बीच...

    Text Solution

    |

  5. दो वृत्त एक-दूसरे को अन्तः स्पर्श करते हैं। यदि छोटे वृत्त की त्रिज्या...

    Text Solution

    |

  6. दो वृत्त परस्पर बाह्य स्पर्श करते है। वृतों के केंद्रों के बीच की दुरी...

    Text Solution

    |

  7. 2.8 cm त्रिज्या का एक वृत बनायें | किसी बाह्य बिंदु P से बिना वृत के ...

    Text Solution

    |

  8. एक वृत्त के केंद्र से 5 सेमी की दूरी पर स्थित बाह्य बिंदु से खींची गई...

    Text Solution

    |

  9. இரண்டு பொது மைய வட்டங்களில் 16 செ .மீ நீளமுடைய பெரிய வட்டத்தின் நாணானத...

    Text Solution

    |