What degree of rotational symmetry does an equilateral triangle have

Question

Mathematics

Gianni Pennington

1 September, 22:34

What degree of rotational symmetry does an equilateral triangle have

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Lesly Holland · Answer 1

Answer: There are three rotational symmetries of an equilateral triangle: rotation by zero degrees (the identity operation), rotation by 120 degrees, and rotation by 240 degrees. This group of symmetry operations is isomorphic to the cyclic group of 3 elements: [math]C_3.[/math]