This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Undirectedtree.svg example of an unrooted tree inner nodes marked black Own Nichtich Created with Graphviz Graphviz source digraph graph rankdir LR edge dir none node shape circle label node style filled color black Tree structures Images with Graphviz source code
Page 2023 Free-images.com. All images are Public Domain