Item:Q5502: Difference between revisions

@@ Property / subclass of @@
+irregular polygon
@@ Property / subclass of: irregular polygon / rank @@
+Normal rank
@@ Property / has quality @@
+right angle
@@ Property / has quality: right angle / rank @@
+Normal rank
@@ Property / has quality: right angle / qualifier @@
+quantity: 1Amount 1
Unit 1
 Amount
 Unit
@@ Property / has quality @@
+semiperimeter
@@ Property / has quality: semiperimeter / rank @@
+Normal rank
@@ Property / has quality: semiperimeter / qualifier @@
+defining formula:  $2R+r$ 
2R+r
@@ Property / has quality @@
+inradius
@@ Property / has quality: inradius / rank @@
+Normal rank
@@ Property / has quality: inradius / qualifier @@
+defining formula:  $r={\frac {a+b-c}{2}}={\frac {ab}{a+b+c}}$ 
r = \frac{a+b-c}{2} = \frac{ab}{a+b+c}
@@ Property / has quality @@
+area
@@ Property / has quality: area / rank @@
+Normal rank
@@ Property / has quality: area / qualifier @@
+defining formula:  $T=1/2bh$ 
T = 1/2 b h