Answer:
Equilateral triangle
Equilateral triangle has an order 3 rotational symmetry. In geometry, a figure has rotational symmetry if it moves onto itself under rotation about an angle at center of rotation.
Step-by-step explanation:
Equilateral triangle has an order 3 rotational symmetry. In geometry, a figure has rotational symmetry if it moves onto itself under rotation about an angle at center of rotation. Hope this helps! :)
