A pyramid has an equilateral triangle as its base of which each side is 1 m. Its

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A pyramid has an equilateral triangle as its base of which each side is 1 m. Its slant edge is 3 m. The whole surface are of the pyramid is equal to :

Options:

A . $$\frac{{\sqrt 3 + 2\sqrt {13} }}{4}sq.m$$

B . $$\frac{{\sqrt 3 + 3\sqrt {13} }}{4}sq.m$$

C . $$\frac{{\sqrt 3 + 3\sqrt {35} }}{4}sq.m$$

D . $$\frac{{\sqrt 3 + 2\sqrt {35} }}{4}sq.m$$

Answer: Option C

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