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r0uv3n
on April 14, 2022
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U+237C ⍼ Right Angle with Downwards Zigzag Arrow
I think perpendicular most commonly refers to lines/vectors/planes etc., while the right angle symbol refers to angles. Also, there are often multiple symbols expressing the same thing.
froh
on April 14, 2022
[–]
Yes, a sibling comment meanwhile found the right angle symbol U+221F ∟
https://news.ycombinator.com/item?id=31015104
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