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In,a circle, with center O, angleAOB=20^...

In,a circle, with center O, `angleAOB=20^(@),angleBOC=40^(@)`, arc BC = 4 cm.
Then length of arc AB will be . . . . . . . . .

A

8 cm

B

6 cm

C

2 cm

D

1 cm

Text Solution

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The correct Answer is:
C
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FULL MARKS-GEOMETRY-Additional Questions I. Multiple Choice Question.
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  2. What is a regular polygon? State the name of a regular polygon of 3...

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  9. Orthocentre of a triangle is the point of concurrency of . . . . .. ....

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  10. ABCD is a parallelogram as shown. Find x and y.

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  11. A circle divides the plane into . . . . . . .part.

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  12. The longest chord of a circle is a . . . . . . . . . Of the circle.

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  13. In order to prove 'Opposite angles of a cyclic quadrilateral are suppl...

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  14. The value of x from figure is . . . . . . . . . If 'O' is the centre...

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  15. If PQ = x and 'O' is the centre of the circle, then x = . . . . . . ....

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  16. In figure OM=ON = 8cm and AB = 30 cm, then CD = . . . . . . . . .

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  17. O is the centre of a circle, angleAOB=100^(@). Then angle angleACB = ....

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  18. In,a circle, with center O, angleAOB=20^(@),angleBOC=40^(@), arc BC = ...

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  19. In the figure, OC=3 cm and radius of circle is 5 cm Then AB = . . ....

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  20. O is the centre of the circle. The value of x in the given diagram is ...

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