Triangle_30-60-90_rotated.png


Description
Polski: Trójkąt z kątami 30,60,90 oraz zależnościami między bokami. Wzory są poprawne, ale doświadczona osoba gołym okiem widzi błędność proporcji.
English: Allegedly a triangle with angles 30, 60, 90. Formulae are correct, but actual proportions are evidently wrong to an experienced naked eye.
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Source Own work
Author Lethern
Permission
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PD, Public Domain
Public domain This work has been released into the public domain by its author, Lethern . This applies worldwide.

In some countries this may not be legally possible; if so:
Lethern grants anyone the right to use this work for any purpose , without any conditions, unless such conditions are required by law.

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15 March 2008