2
In a previous discussion, it was stated:
The Maggid Mishnah in Hilchos Shabbos (17:26) says that one may rely on π=3, but he says in Hilchos Eiruvin (3:2) that one may not rely on √2=1.4.
I can't actually find the Maggid Mishnah saying either of these things in the passages cited. I'm sure this...