Answer :
Final answer:
Rotating an equilateral triangle around a bisecting axis results in a triangular pyramid, with a trigonal pyramid shape.
Explanation:
When an equilateral triangle is rotated around an axis bisecting the triangle, it forms a triangular pyramid. A triangular pyramid has a triangular base that is capped at the top. The shape of the molecule in this case is described as a trigonal pyramid due to its symmetrical nature.
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