Question

Which types of triangles have rotational symmetry?

Answer 1

An isosceles triangle could have rotational symmetry if it were also an equilateral triangle. An isosceles triangle is a triangle with at least two equal sides. An equilateral triangle is a triangle with exactly three equal sides. By definition, all equilateral triangles are also isosceles triangles.

Answer 2

It would be an equilateral triangle .it could also be an isosceles triangle but the rotational symmetry would have to be 2.

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