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Angle described by hour hand in 12 hoour...

Angle described by hour hand in 12 hoours is ……..

A

`90^@`

B

`200^@`

C

`360^@`

D

`180^@`

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VGS PUBLICATION-BRILLIANT-TANGENTS AND SECANTS TO A CIRCLE-EXERCISE
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  16. The angle made at the centre of a circle is …….

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  17. In the adjoint figure AC = 5 , so BC = ………….cm

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  18. The number of secant that can be drawn to a circle is ……..

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  19. The diameter of a circle is 10.2 cm then its radius is ….. Cm .

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  20. If 'r' is the radius of a semi-circle then its perimeter is ......

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