Home
Class 10
MATHS
In the given diagram PA and PB are tange...

In the given diagram PA and PB are tangents drawn from P to a circle with centre O. `angle OPA = 35^@` then a and b is ………

A

`a = 30^@ , b = 60^@`

B

`a = 35^@ , b= 55^@`

C

`a = 40^@ , b = 50^@`

D

`a = 45^@ , b = 45^@`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • GEOMETRY

    FULL MARKS|Exercise ADDITIONAL QUESTIONS SOLVED (ANSWER THE FOLLOWING QUESTIONS)|24 Videos
  • GEOMETRY

    FULL MARKS|Exercise THINKING CORNER|2 Videos
  • GEOMETRY

    FULL MARKS|Exercise UNIT EXERCISE 4|10 Videos
  • DEPARTMENTAL MODEL PAPER

    FULL MARKS|Exercise PART-IV|3 Videos
  • MENSURATION

    FULL MARKS|Exercise ADDITIONAL QUESTIONS SOLVED (iii)|8 Videos

Similar Questions

Explore conceptually related problems

Two tangents PA and PB are drawn from an external point P to a circle with centre at O. If AOB = 105^(@) the A hat(P) B is :

If the tangents PA and PB from an external point P to circle with centre O are inclined to each other at an angle of 40^@ , then angle POA = ………

No tangent can be drawn from ………… of the circle.

In the figure , tangent PA and PB are drawn to a circle with centre O from an external point P. If CD is a tangent to the circle at E and AP = 15cm, find the perimeter of Delta PCD .

In the given figure angle PQR=100^(@) , where P,Q and R are points on a circle with centre 'O' Find angleOPR .

Line PA and line PB are tangents to the circle at points A andB. If angleAPB=60^(@) then find m(arc AXB).

The lengths of the two tangents drawn from ………….. point to a circle are equal.

In the figure ,PA and PB are tangents to the circle drawn from an external point P. also CD is a tangent to the circle at Q. if PA = 8 cm and CQ = 3cm , then PC is equal to …………..

Choose the correct answer and give justification for each. If tangents PA and PB from a point P to a circle with centre O are inclined to each other at angle of 80^(@) , then /_POA is equal to

A point P is 26 cm away from the centre O of a circle and PT is the tangent drawn from P to circle is 10 cm , then OT is equal to ……………

FULL MARKS-GEOMETRY-ADDITIONAL QUESTIONS SOLVED (MULTIPLE CHOICE QUESTIONS)
  1. In figure , if (AB)/(AC) = (BD)/(DC) , angle B = 40^@ and angleC = 60...

    Text Solution

    |

  2. In the figure , the value x is equal to …..

    Text Solution

    |

  3. In triangles ABC and DEF , angleB =angle E, angleC = angleF , then …...

    Text Solution

    |

  4. If in a Triangle ABC angleA = 60^o , angleB = 70^o what will angleC b...

    Text Solution

    |

  5. A vertical stick 12m long casts a shadow 8m long on the ground. At the...

    Text Solution

    |

  6. The sides of two similar triangles are in the ratio 2 : 3 , then their...

    Text Solution

    |

  7. Triangle ABC and DEF ar similar . If their areas are 100 cm^2 and 49cm...

    Text Solution

    |

  8. The perimeters of two similar triangles are 24cm and 18 cm respectivel...

    Text Solution

    |

  9. A point P is 26 cm away from the centre O of a circle and PT is the ta...

    Text Solution

    |

  10. In the figure ,if angle PAB = 120^@ then angle BPT = …………..

    Text Solution

    |

  11. If the tangents PA and PB from an external point P to circle with cent...

    Text Solution

    |

  12. In the figure ,PA and PB are tangents to the circle drawn from an exte...

    Text Solution

    |

  13. Delta ABC is a right angled triangle where angle B = 90^@ " and " BD ...

    Text Solution

    |

  14. The areas of two similar triangles are 16 cm^2 and 36cm^2 respectivel...

    Text Solution

    |

  15. The perimeter of two similar triangles Delta ABC " and " Delta DEF are...

    Text Solution

    |

  16. In the given diagram theta is …………

    Text Solution

    |

  17. If AD is the bisector of angle A then AC is

    Text Solution

    |

  18. In Delta ABC " and " Delta DEF, angle A = angle E and angle B = angle ...

    Text Solution

    |

  19. Two circles of radius 8.2 cm and 3.6 cm touch each other externally , ...

    Text Solution

    |

  20. In the given diagram PA and PB are tangents drawn from P to a circle w...

    Text Solution

    |