<p><img src="https://imgs.xkcd.com/comics/compass_and_straightedge.png" alt="The Greeks long suspected this, but it wasn&#x27;t until April 12th of 1882 that Ferdinand von Lindemann conclusively proved it when he constructed himself the most awesome birthday party possible and nobody showed up."></p>
<blockquote>
<p>"<a href="https://xkcd.com/866/">Compass and Straightedge</a>", by Randall Munroe, licensed under Creative Commons Attribution-NonCommercial 2.5 License</p>
</blockquote>
<h2 id="alt-text"><a aria-hidden="true" class="anchor-heading" href="#alt-text"><svg aria-hidden="true" viewBox="0 0 16 16"><use xlink:href="#svg-link"></use></svg></a>Alt Text</h2>
<p>The Greeks long suspected this, but it wasn't until April 12th of 1882 that Ferdinand von Lindemann conclusively proved it when he constructed himself the most awesome birthday party possible and nobody showed up.</p>

xkcd

Compass and Straightedge


# XKCD

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