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A pyramid has an equilateral triangle...

A pyramid has an equilateral triangle as its base of which each side is 1m. Its slant edge is 3 m. The whole surface area of the pyramid is equal to `(sqrt(3)+2sqrt(13))/4s qdotm` (b) `(sqrt(3)+3sqrt(13))/4s qdotm` (c) `(sqrt(3)+3sqrt(35))/4s qdotm` (d) `(sqrt(3)+2sqrt(35))/4s qdotm`

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