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After rotating by 60^o about a centre, a figure looks exactly the same as its original position. At what other angles will this happen for the figure?

6.  After rotating by  60^{0}  about a centre, a figure looks exactly the same as its original position. At what other angles will this happen for the figure?

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M mansi

 After rotating by  60^{0}  about a centre, a figure looks exactly the same as its original position, then it will look symmetrical on rotating by 120 \degree,180 \degree,240 \degree,300 \degree,360 \degree. All angles are multiples of 60^{0}.

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