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**sugarhigh****Member**- Registered: 2005-10-07
- Posts: 1

What is the name / is there a name for the square in the right angle symbol? My geometry teacher did not know and would give extra credit to anyone who finds out. I have been looking everywhere for its name but its never said. If you know, please tell me what it is!

Thank you,

Jack

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**kylekatarn****Member**- Registered: 2005-07-24
- Posts: 445

the square is there to show that the catets are perpendicular...since we know that all the edges in a square are perpendicular.

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**MathsIsFun****Administrator**- Registered: 2005-01-21
- Posts: 7,626

I have searched through some dictionaries, and not found any name for the right angle symbol. Perhaps its name is "right angle symbol"

And kyle, I am fascinated by the name "catets" - it does not occur in English, but some spanish (and portuguese?) websites seem to indicate it means the two sides that are not the hypotenuse - is that right?

"The physicists defer only to mathematicians, and the mathematicians defer only to God ..." - Leon M. Lederman

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**wcy****Member**- Registered: 2005-08-04
- Posts: 117

i think there is no name for that

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