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English alphabet Letters	Line symmetry	Number of lines of symmetry	Rotational symmetry	Order of rotational symmetry
N	_____	_____	_____	_____

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A mirror line is called the _____.

If the angle of rotation of a figure is $36°$, the order of rotation is _____.

The order of rotational symmetry of a square is _____.

The order of rotational symmetry of an equilateral triangle is _____.

The number of line(s) of symmetry of a square is _____.