Home
Class 10
MATHS
If two circles of radii 7 cm and 3 cm to...

If two circles of radii 7 cm and 3 cm touch each other extermally, then the distance between their centres will be 4 cm.

Promotional Banner

Topper's Solved these Questions

  • QUESTION PAPER 2019

    UNITED BOOK HOUSE|Exercise Exercise |53 Videos

  • QUESTION PAPER 2018

    UNITED BOOK HOUSE|Exercise Exercise |53 Videos

Similar Questions

Explore conceptually related problems

Two circles of radii 10cm and 7 cm touch each other internally. Te distance between their centres is

Fill in the blanks If two circles of radii 5 cma and 3 cm in length are touch internally then the distanace between their centre is________.

Two circles of radii 5.5 cm and 3.3 cm respectively touch each other. What is the distance between their centres?

The lengths of radii of two circles are 5 cm and 3 cm. The two circles touch externally. Then the distance between the centraes of the circles is

The lengths of radii of two circels are 3.5 cm and 2 cm. They touch each other internally. The distance between the centres of the circels is

Two circles of radii 4cm and 1cm touch each other externally and theta is the angle contained by their direct common tangents. Find sin (theta/2)+cos(theta/2) dot

Two circles of radii 4cm and 1cm touch each other externally and theta is the angle contained by their direct common tangents. Then sintheta is equal to (a) (24)/(25) (b) (12)/(25) (c) 3/4 (d) none of these

Length of radius of two circles are 5cm and 3cm . If two circles touch externally. Find the distance between two centre.

Two circles with radii a and b touch each other externally such that theta is the angle between the direct common tangents (agtbge2) , then

UNITED BOOK HOUSE-QUESTION PAPER 2017-Exercise
  1. Write True or False (any five) : A starts a business with ₨. 10,000 a...

    Text Solution

    |

  2. If x = 2+sqrt3, the value of x+1/x is sqrt2.

    Text Solution

    |

  3. If two circles of radii 7 cm and 3 cm touch each other extermally, the...

    Text Solution

    |

  4. If 0^@ < theta < 90^@, then sin theta > sin^2 theta.

    Text Solution

    |

  5. If the total sueface area of a hemishere be 36Pi sq. cm, them its radi...

    Text Solution

    |

  6. If the perpendicular drawn on x-axis from the point of intersection of...

    Text Solution

    |

  7. Answer the followings questions (any ten) : A sum of money is doubled...

    Text Solution

    |

  8. A invests 1, 1/2 times more than B invests in a business. At the end o...

    Text Solution

    |

  9. Without solving, find the values of 'p' for which the equation x^2 + (...

    Text Solution

    |

  10. If x prop yz and y prop zx , show that z is a non zero constant.

    Text Solution

    |

  11. The perimeter of two similar triangles are 20 cm and 16 cm respectivel...

    Text Solution

    |

  12. In angleABC, angleABC =90^@, AB = 5 cm, BC = 12 cm. Find the length of...

    Text Solution

    |

  13. In triangleABC, if AB = (2a - 1) cm, AC = 2sqrt2a cm and Bc = (2a + 1)...

    Text Solution

    |

  14. If x = a sec theta and y = b tan theta, then find the relation between...

    Text Solution

    |

  15. If tan (theta + 15^@) = sqrt3, find the value of sin theta + cos theta...

    Text Solution

    |

  16. The diameter of one sphere is double the diameter of another sphere. I...

    Text Solution

    |

  17. If the number of surface of a cuboid is x, the number of edges is y, t...

    Text Solution

    |

  18. If 11, 12, 14, x - 2, x + 4, x + 9, 32, 38, 47 are arranged in ascendi...

    Text Solution

    |

  19. Answer any one question : The difference between simple interest and ...

    Text Solution

    |

  20. A, B, C start a business jointly investing ₨. 1,80,000 in together. A ...

    Text Solution

    |