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In the given figure, AB and CD are two ...

In the given figure, `AB` and `CD` are two intersecting chords of acircle . If `/_ CAB = 40^(@)` and `/_ BCD= 80^(@)`then `/_ CBD = ?`

A

`80^(@)`

B

`60^(@)`

C

`50^(@)`

D

`70^(@)`

Text Solution

Verified by Experts

The correct Answer is:
B
`/_ CDB = /_ CAB = 40^(@) ( /_ s` in the same segment)
`/_ CDB + /_ BCD + /_ CBD = 180^(@) implies 40^(@) _ 80^(@) + /_ CBD = 180^(@) implies /_CBD = 60^(@)`
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RS AGGARWAL-CIRCLES -MULTIPLE CHOICE QUESTION(MCQ)
  1. In the given figure, O is the centre of a circle and / AOC = 120^(@) ....

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  2. In the given figure, O is the centre of a circle and / OAB=50^(@). The...

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  3. In the given figure, AB and CD are two intersecting chords of acircle...

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  4. In the given figure, O is the centre of a circle and chords AC and BD ...

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  5. In the given figure, O is the centre of a circle in which / OAB = 20^(...

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  6. In the given figure, AOB is a diameter and ABCD is a cyclic quadrilate...

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  7. In the given figure, ABCD is a cyclic quadrilateral in which AB || DC ...

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  8. In the given figure, O is the centre of a circle and/ AOC = 130^(@) . ...

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  9. In the given figure, AOB is a diameter of a circle and CD||AB . If / ...

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  10. In the given figure, O is the centre of a circle in which /AOC =100^(@...

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  11. In the given figure, O is the centre of a circle and / OAB = 50^(@). T...

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  12. In the given figure, ABCD is a cyclic quadrialteral in which BC= CD an...

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  13. In the given , equilateral DeltaABC is inscribed in a circle and ABDC ...

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  14. In the given figure, sides AB and AD of quad. ABCD are produced to E a...

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  15. In the given figure, , O is the centre of a circle and / AOB = 140^(@)...

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  16. In the given figure , Ois the centre of a circle and / AOB = 130^(@). ...

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  17. In the given figure, ABCD and ABEF aretwo cyclic quadrilaterals. If / ...

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  18. In the given figure, ABCD is a cyclic quadrilateral in which DC is pro...

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  19. Two chords AB and CD of a circle intersect each other at a point E out...

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  20. In the given figure , A and B are the centres of two circles having ra...

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