Polygon - Revision history

Foxtrot: subcat

2009-01-16T02:05:58Z

subcat

2007-06-27T04:52:14Z

2007-06-27T04:51:57Z

2007-05-20T21:25:07Z

2007-05-20T21:23:20Z

Reverted edits by MfD (Talk); changed back to last version by SeanTheSheep

2007-05-20T16:52:42Z

+ area & perimeter

2007-05-20T16:22:31Z

n-gons

2007-05-14T15:50:12Z

2007-05-14T13:42:47Z

2007-05-14T13:42:27Z

@@ Line 1: / Line 1: @@
 A '''polygon''' is a union of disjoint [[line segment]]s that is [[connectedness|connected]].
-A [[Regular polygon]] has all sides equal and all angles equal.
+A [[regular polygon]] has all sides equal and all angles equal.
 Types, by number of sides.
@@ Line 17: / Line 17: @@
 The [[perimeter]] of a regular polygon is equal to <math>n sin\frac{180}{n} (2) (r)</math>, where ''r'' equals the length of the radius.<br>
 The [[area]] of a regular polygon is equal to <math>n sin\frac{180}{n}cos\frac{180}{n}(r^2)</math>
-[[Category:Geometry]]
+[[Category:Plane Geometry]]

← Older revision		Revision as of 04:52, June 27, 2007
Line 1:		Line 1:
−	A '''polygon''' is a union of disjoint [[line segment]]s that is [[connected]].	+	A '''polygon''' is a union of disjoint [[line segment]]s that is [[connectedness\|connected]].

	A [[Regular polygon]] has all sides equal and all angles equal.		A [[Regular polygon]] has all sides equal and all angles equal.

← Older revision		Revision as of 04:51, June 27, 2007
Line 1:		Line 1:
−	A '''polygon''' is a union of disjoint [[line segment]]s that is [[~~path-~~connected]].	+	A '''polygon''' is a union of disjoint [[line segment]]s that is [[connected]].

	A [[Regular polygon]] has all sides equal and all angles equal.		A [[Regular polygon]] has all sides equal and all angles equal.

@@ Line 13: / Line 13: @@
 # [[Octagon]] - eight sided, used for [[stop sign]]s in the U.S.
 # Higher orders of polygons are: [[nonagon]] (9-sided), [[decagon]] (10-sided), [[unodecagon]] (11-sided), [[duodecagon]] (12-sided) etc.
+# Polygons of higher orders than the duodecagon are often named ''n''-gons, where ''n'' is the amount of its sides. For example, a 42-gon would be a polygon with 42 sides.
+==Formulas==
+The [[perimeter]] of a regular polygon is equal to <math>n sin\frac{180}{n} (2) (r)</math>, where ''r'' equals the length of the radius.<br>
 [[Category:Geometry]]

@@ Line 13: / Line 13: @@
 # [[Octagon]] - eight sided, used for [[stop sign]]s in the U.S.
 # Higher orders of polygons are: [[nonagon]] (9-sided), [[decagon]] (10-sided), [[unodecagon]] (11-sided), [[duodecagon]] (12-sided) etc.
-# Polygons of higher orders than the duodecagon are often named ''n''-gons, where ''n'' is the amount of its sides. For example, a 42-gon would be a polygon with 42 sides.
-==Formulas==
-The [[perimeter]] of a regular polygon is equal to <math>n sin\frac{180}{n} (2) (r)</math>, where ''r'' equals the length of the radius.<br>
-The [[area]] of a regular polygon is equal to <math>n sin\frac{180}{n}cos\frac{180}{n}(r^2)</math>
 [[Category:Geometry]]