Home
Class 9
MATHS
If angleABC= 20^@m find angleAOC...

If `angleABC= 20^@`m find `angleAOC`

Promotional Banner

Topper's Solved these Questions

  • CIRCLES

    MODERN PUBLICATION|Exercise EXERCISE|94 Videos

  • AREA OF PARALLELOGRAMS AND TRIANGLES

    MODERN PUBLICATION|Exercise EXERCISE|83 Videos

  • CONSTRUCTIONS

    MODERN PUBLICATION|Exercise EXERCISE|69 Videos

Similar Questions

Explore conceptually related problems

AB and CD are diameters of a circle with centre O. If angle OBD = 50^@ , find angleAOC

In fig, AD and CE are the angle bisectors of angleA and angleC respectively. If angleABC=90^@ then find the angleAOC

O is the4 centre of the circle. If angleAOC = 140^@ . Find angle ABC

In the given figure, the arms of two angles are parallel. If angleABC = 70^@ , then find angleDEF

In the given figure, the arms of two angles are parallel. If angleABC = 70^@ , then find angleDGC

Two lines AB and CD intersect at O. if angleAOC=50^@ , find angleAOD,angleBOD and angleBOC .

In the fig side BC of triangleABC is produced to angleACD=128^@ and angleABC=43^@ find angleBAC and angleACB .

In Fig. , lines AB and CD intersect at O. If angleAOC+angleBOE=70^@ and angleBOD = 40^@ , find angleBOE and reflex angleCOE .

In Fig. , lines AB and CD intersect at O. If angleAOC+angleBOE=70^@ and angleBOD = 40^@ , find angleBOE and reflex angleCOE .

MODERN PUBLICATION-CIRCLES-EXERCISE
  1. The longest chord of a circle is a ........... of the circle.

    Text Solution

    |

  2. An arc is a ........... When its ends are the ends of a diameter.

    Text Solution

    |

  3. A chord is at a distance of 8 cm from the centre of a circle of radis ...

    Text Solution

    |

  4. An equilateral triangle of side 9 cm.

    Text Solution

    |

  5. Is every diameter of a circle also a chord?

    Text Solution

    |

  6. If OA = 5 cm , AB = 8 cm and OD is perpendicular to AB, then OD is equ...

    Text Solution

    |

  7. (True/ False) If AOB is a diameter of a circle and C is a point on th...

    Text Solution

    |

  8. ABCd is a cyclic quadrialteral such that AB is a diameter of the circl...

    Text Solution

    |

  9. Prove that the circle drawn with any side of a rhombus as diameter, pa...

    Text Solution

    |

  10. If angleABC= 20^@m find angleAOC

    Text Solution

    |

  11. angleDAB = 60^@, angleABD = 50^@ find angleACB

    Text Solution

    |

  12. If arc AXB and CYD of a circle are congruent, find the ratio of AB and...

    Text Solution

    |

  13. Two triangles ABC and PQR are such that the perpendiculars from A to Q...

    Text Solution

    |

  14. If a diameter of a cirlce bisects each of the chords of the circle, pr...

    Text Solution

    |

  15. The whole angle at the centre of a circle is :

    Text Solution

    |

  16. In a triangle ABC, D is the mid point of the side AC and BD=1/2AC. Sho...

    Text Solution

    |

  17. On a common hypotenuse AB, two right triangles ACB and ADB are situate...

    Text Solution

    |

  18. If the non-parallel sides of a trapezium are equal, prove that it is c...

    Text Solution

    |

  19. In fig, two chords AB and CD intersect each other at the point P. Prov...

    Text Solution

    |

  20. Draw a circle of radius 5 cm and divide it into 6 equal sectors .

    Text Solution

    |