Item:Q7790: Difference between revisions

@@ Property / has quality @@
+circumradius
@@ Property / has quality: circumradius / rank @@
+Normal rank
@@ Property / has quality: circumradius / qualifier @@
+defining formula:  $R={\frac {a{\sqrt {2}}}{2}}$ 
R = \frac{a\sqrt{2}}{2}