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Area of a regular hexagon whose side is ...

Area of a regular hexagon whose side is 'a' cm is……………

A

`(6 sqrt 3)/4 a^2`

B

`(6 sqrt 3)/7 a^2`

C

`6 / 7 sqrt 3 a^2`

D

none

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BEYOND PUBLICATION-TANGENTS AND SECANTS TO CIRCLE-EXERCISE
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  2. x^(@)=60^(@),r=14 cm then area of sector = ………. cm^(2)

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  3. Area of a regular hexagon whose side is 'a' cm is……………

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  4. Parallelogram circumscribing a circle is a ………………..

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  7. If AP and AQ are the two tangents of a circle with centre 'O'. So that...

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  8. Area of circle interms of diameter is ………..

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  9. In the figure AP , = 12 cm , PB = 16 cm and pi=3 then perimeter of sh...

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  10. A bicycle wheel makes 75 revolutions per minute to maintain a speed of...

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

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  12. Each angle in a square is ……

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  13. In the figure, the area of shaded region is……………..cm^2.

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  14. Perimeter of semicircle is …………….. Units .

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  15. In the figure the relation among a, b and c is…………

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  16. In the figure, a =……………….

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  17. Perimeter of sectors = ……………….

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  18. The radius of a circle is doubled then its area becomes ……………….. Time...

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  19. If two concentric circles, a chord of length 40 cm of larger circle be...

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  20. A chord of circle of radius 10 cm subtends a right angle at the centre...

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