if you mean rotational symmetry then yes, rotational symmetry of order 4
is a square a rational symmetry? is a square a rational symmetry?
A square, a paralellogram, a trapezoid, a circle, a rectangle, a rhombus.
None, since there is no such thing as rational symmetry.
Assuming the question is about ROTATIONAL symmetry rather than rational symmetry, the answer is none.
trust
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triangle
A regular pentagon has rotational symmetry but does not have rational symmetry. Rational symmetry refers to the property of a shape that can be divided into equal parts by rotations that are fractions of a full rotation (e.g., 1/2, 1/3). Since a regular pentagon can only be rotated by 72 degrees (1/5 of a full rotation) to map onto itself, it does not exhibit rational symmetry.
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A square has 4 lines of symmetry
none
yes