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A B C D is a square of side 4 cm. If ...

`A B C D` is a square of side 4 cm. If `E` is a point in the interior of the square such that ` C E D` is equilateral, then area of ` A C E` is (a) `2(sqrt(3)-1)c m^2` (b) `4(sqrt(3)-1)c m^2` (c) `6(sqrt(3)-1)c m^2` (d) `8(sqrt(3)-1)c m^2`

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