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

  • Compound Interest and Uniform rate of Increase or Decrease

    UNITED BOOK HOUSE|Exercise Exercise |29 Videos
  • GARDEN REACH BIHARI DAS GIRL'S

    UNITED BOOK HOUSE|Exercise EXERCISE|55 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-DAULATPUR DALUICACHA BHARATI VIDYALAYA-EXERCISE
  1. In a business, the ratio of the capital of Rajus and Asif is 5:4 and i...

    Text Solution

    |

  2. To warn ships for underwater rocks, a lighthouse spreads a red colored...

    Text Solution

    |

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

    Text Solution

    |

  4. cos^2 20^@+cos^2 70^2 = 1.

    Text Solution

    |

  5. Write true or false: If the ratio of the total surface area of two cu...

    Text Solution

    |

  6. Define Assumed Mean Method Formula elaborately.

    Text Solution

    |

  7. In a partnership business, the ratio of the capital of Pritha and Rabe...

    Text Solution

    |

  8. What is the rate of simple interest per annum, when the interest of so...

    Text Solution

    |

  9. Calculate the compound ratio of a:bc.b:ca and c:ab.

    Text Solution

    |

  10. If 2x + 1/x = 2, then find the value of (x)/(2x^2+x+1).

    Text Solution

    |

  11. PQ and AB are two equal chords of a circle with centre O, If anglePOQ=...

    Text Solution

    |

  12. AB is the diameter of a semicircle with radius 4 cm in length and angl...

    Text Solution

    |

  13. ABCD is a cyclic trapezium having AD||BC. If angleABC = 70^@ then angl...

    Text Solution

    |

  14. If tan(theta+15^@)= sqrt3 then sin theta+ cos theta=?

    Text Solution

    |

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

    Text Solution

    |

  16. If the numberical values of volume and curved surface area of a right ...

    Text Solution

    |

  17. In a frequency distribution table, mean = 54, sunfixi = 2200+50k and s...

    Text Solution

    |

  18. Three friends invested ₹ 1,20,000, ₹ 1.50,000 and ₹ 1,10,000 respectiv...

    Text Solution

    |

  19. As a result of publicity on against smoking the number of smoker is de...

    Text Solution

    |

  20. The tenth digit of two digit number is less by 3 than the unit digit. ...

    Text Solution

    |