A clockwise rotation of
n
This is equivalent to a
clockwise rotation of
90˚ about a point C.
m
p
q
F'
90˚ about A followed by
a translation of 8 units
to the right maps flag F
onto flag F'.
A
F
This is also equivalent to
reflections in mirror lines
m then n, then p then q.
Choose equivalent mirror lines to construct the position of C.
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