Item:Q7824: Difference between revisions

@@ Property / subclass of @@
+Hjelmslev quadrilateral
@@ Property / subclass of: Hjelmslev quadrilateral / rank @@
+Normal rank
@@ Property / defining formula @@
+ $\tan {\frac {A}{2}}={\frac {b}{a}},\qquad \tan {\frac {C}{2}}={\frac {a}{b}}$ 
\tan{\frac{A}{2}}=\frac{b}{a},\qquad \tan{\frac{C}{2}}=\frac{a}{b}
+Normal rank
@@ Property / has quality @@
+right angle
@@ Property / has quality: right angle / rank @@
+Normal rank
@@ Property / has quality: right angle / qualifier @@
+quantity: 2Amount 2
Unit 1
 Amount
 Unit