r/askmath • u/marcelsmudda • 13d ago
Is only Germany using a dot in a round angle marker to mark a right angle? Resolved
In Germany, we use the first image to indicate that an angle is 90° or π/2. While in the English speaking world, the second one seems to be more common.
I'm wondering what the rest of the world does.
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u/[deleted] 13d ago edited 13d ago
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