Manfred Börgens - Stamp # 108 - Copyright                 back to the stamp




Source: Wikimedia Commons
File: https://de.wikibooks.org/wiki/Beweisarchiv:_Geometrie:_Planimetrie:_Kreis:_Mittelpunktswinkel-Umfangswinkel#/media/File:Mittelpunktswinkel.PNG
Author: Petflo2000 (Wikipedia)

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Manfred Börgens - Stamp # 108 - Copyright

Published 2019-08-27          last update 2019-08-27

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