alleryA regular octagon can be folded along each of its mirror lines. How many such folds exist?
AFour
BEight
CSixteen
DTwelve
Answer & Solution
Correct answer: B. Eight
1. A regular n-sided polygon has n axes of reflection symmetry.
2. An octagon has n equal to 8, so there are eight folds.
3. Four is too few, and sixteen or twelve exceed the number of axes.
_Source: Wikipedia, Regular polygon, section Symmetry_
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