The radius of the circum-circle of an equilateral triangle of side 12

1.	The radius of the circum-circle of an equilateral triangle of side 12 cm is :
A.	$\frac{{4\sqrt 2 }}{3}$$
B.	$4\sqrt 2 $$
C.	$\frac{{4\sqrt 3 }}{3}$$
D.	$4\sqrt 3 $$
Answer» E.

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The radius of the circum-circle of an equilateral triangle of side 12 cm is :

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