Home
Class 10
MATHS
O is the centre of a circle and AC is on...

O is the centre of a circle and AC is one of its diamter. If `/_AOB = 80^@` and `/_ACE =10^@`, then find the value of `/_BEC`.

Text Solution

Verified by Experts

`50^@`
Promotional Banner

Topper's Solved these Questions

  • RIGHT CIRCULAR CYLINDER

    CALCUTTA BOOK HOUSE|Exercise Exercise - 2 (Long-answer type questions)|11 Videos
  • SIMILARITY

    CALCUTTA BOOK HOUSE|Exercise Exercise 5.2|27 Videos

Similar Questions

Explore conceptually related problems

In the adjoining figure, O is the centre of the circle and AB is one of its diameter . If angleADC = 120^(@) , then the value of angleBAC is

In this figure, O is the centre and AC is the diameter. If angleAOB= 80^@ and angleACE = 10^@ then find the value of angleBED .

In the adjoining figure, O is the center of the circle and AC is a diameter of it If DC||EB, angleAOB=80^(@)andangleACE=10^(@) , then find the value of angleBED.

In the adjoining firgure, O is the centre of the circle and AB is its diamter. If AB||CD angle ABC=25^(@) , then the value of angle CED is

AOB is the diameter of a circle. C is a point on the circumference of the circle. If /_OAC = 60^@ then find the value of /_OBC .

In the adjoining figure, O is the centre of a circle and AB is one of its diameters. The legth of the chrod CD is equal to the radius of the circle. When AC and BD are extended, they intersect each other at a point P. find the value of angle APB

AOB is a diameter of a circle , C is a point on the circle. If angle OBC=60^(@) , then find the value of angleOCA

In the given figure, O is the centre of the circle and PQ is one of its diamtere, then the value of x is

In the adjoining figure, O is the centre of the circle AC is a diameter and chord DE is parallel to the diameter AC. If angle CBD=60^(@) , find the value of angle CDE

In the isosceles Delta ABC,AB=AC . The circumcentre of Delta ABC is the centre O lies on the opposite side of BC in which a lies. If Delta BOC=100^(@) , then find the value of angle ABC angle ABO .

CALCUTTA BOOK HOUSE-SAMPLE QUESTIONS PAPERS-QUESTION
  1. P is any point inside the circle with centre at O. If the radius of th...

    Text Solution

    |

  2. AOB is the diameter of a circle. C is a point on the circumference of ...

    Text Solution

    |

  3. O is the centre of a circle and AC is one of its diamter. If /AOB = 80...

    Text Solution

    |

  4. The value of an angle is D in degree and R in radian. Find the value o...

    Text Solution

    |

  5. If r cos theta=2 sqrt(3), r sin theta=2 and 0^(@) lt theta lt 90^(@),...

    Text Solution

    |

  6. If the number of plane surfaces of a cuboid = x, number of edges = y, ...

    Text Solution

    |

  7. The lengths of radii of a solid right crcular cone and a solid sphere ...

    Text Solution

    |

  8. The arithmitic mean of a frequency distraction is 8. If Sigma fi xi = ...

    Text Solution

    |

  9. A person took a loan of ₹ 4000 from a bank at tha rate of 7% simple i...

    Text Solution

    |

  10. Three potters from Kumartuli collectively took a loan of ₹ 100000 fro...

    Text Solution

    |

  11. Solve : x^2+(8+sqrt(11)) x+sqrt(704)=0

    Text Solution

    |

  12. The sum of the squares of two consecutive positive odd numbers is 802....

    Text Solution

    |

  13. If (x^3 -y^3) prop (x^3 +y^3) then prove that (x - y) prop ( x + y)

    Text Solution

    |

  14. Simplify : (3sqrt2)/(sqrt3 +sqrt6) -(4sqrt3)/(sqrt6 +sqrt2) +sqrt6/(sq...

    Text Solution

    |

  15. If x = cy + bz, y = az + cx , z =bx + ay, then prove that x^2/(1-a^2)=...

    Text Solution

    |

  16. If x/ (y+z) = y/(z+x) =z/(x+y) , then prove that the value of each ra...

    Text Solution

    |

  17. Prove that front formed at the centre of a circle by an arc is the dou...

    Text Solution

    |

  18. Prove that if two triangles are equiangular. Then corresponding sides...

    Text Solution

    |

  19. If the radius of cylinder is doubled, but height is reduced by 50% . W...

    Text Solution

    |

  20. Two circles intersect each other at P externally. The straight QR touc...

    Text Solution

    |