Suppose a Wallpaper Whose Smallest Rotation Is 90° Has Reflection

question 95

Multiple Choice

Suppose a wallpaper whose smallest rotation is 90° has reflection lines that intersect at 90° angles. Use the flowchart in the textbook to find the standard notation for the pattern.

• A) p4m
• B) p4g
• C) p4
• D) pmm

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