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secondary 4 | E Maths
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secondary 4 chevron_right E Maths chevron_right Singapore

what is rotational symmetry order 2

Date Posted: 4 years ago
Views: 536
Eric Nicholas K
Eric Nicholas K
4 years ago
This happens when rotating the figure 180 degrees gets us a figure which appears identical to the original version (so they overlap each other), but no other angle of rotation between 0 and 180 can get us the same.

Only letters I and N have an order of 2.

O has an infinite order.