Euclidean distance
... that although the Euclidean distance and the Pythagorean theorem are both ancient concepts, the Pythagorean formula for distance was not published until 1731?
... that although the <b id="mw4w"><a href="./Euclidean_distance" id="mw5A" rel="mw:WikiLink" title="Euclidean distance">Euclidean distance</a></b> and the <a href="./Pythagorean_theorem" id="mw5Q" rel="mw:WikiLink" title="Pythagorean theorem">Pythagorean theorem</a> are both ancient concepts, the Pythagorean formula for distance was not published until 1731?