The radius of the circle is 1 unit.
If we considered the side of the equilateral triangle to be ‘a’, the circumradius of an equilateral triangle is R = . a = .
So, ratio of areas of the equilateral triangle to that of the square is
^{2} : (2)^{2}
3 : 4
3 : 16
Correct Answer: 3 : 16 units
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