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Area of equilateral triangle of side 'a'...

Area of equilateral triangle of side 'a' units is …….. sq. units.

A

`(6sqrt3)/4a^2`

B

`(6sqrt7)/4a^2`

C

`6/7sqrt3a^2`

D

none

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VGS PUBLICATION-BRILLIANT-TANGENTS AND SECANTS TO A CIRCLE-EXERCISE
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  3. Area of equilateral triangle of side 'a' units is …….. sq. units.

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

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

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  14. In the figure , the area of shaded region is …………. cm^(2).

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  15. Perimeter of semicircle is …………….. Units .

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  17. In the figure , a = ………….

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  18. Perimeter of sectors = ……………….

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  19. What do you observe from the below figure ?

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