What is the area of an equilateral trian...

What is the area of an equilateral triangle inscribed in a circle of radius 4cm?

A

`12 cm^(2)`

B

`9sqrt(3)cm^(2)`

C

`8sqrt(3)cm^(2)`

D

`12 sqrt(3)cm^(2)`

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The correct Answer is:

D

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