Jean-Baptiste Etienne<p>Patrons de pyramides "coupées" par un plan.</p><p><a href="https://www.geogebra.org/m/kjmjkmkj" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="">geogebra.org/m/kjmjkmkj</span><span class="invisible"></span></a></p><p><a href="https://mathstodon.xyz/tags/geogebra" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>geogebra</span></a> <a href="https://mathstodon.xyz/tags/geogebra3D" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>geogebra3D</span></a> <a href="https://mathstodon.xyz/tags/pyramid" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>pyramid</span></a> <a href="https://mathstodon.xyz/tags/net" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>net</span></a> <a href="https://mathstodon.xyz/tags/section" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>section</span></a> <a href="https://mathstodon.xyz/tags/math" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>math</span></a> <a href="https://mathstodon.xyz/tags/geometry" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>geometry</span></a></p>