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Question
After rotating by 60° 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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Solution
It can be observed that if a figure looks symmetrical on rotating by 60°, then it will also look symmetrical on rotating by 120°, 180°, 240°, 300° and 360°, i.e., further multiples of 60°.
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