ⵙⴽⵏ ⴰⵙⴰⴳⵎ ⵏ ⴰⴳⵜⴷⵉⵙ

ⴳ [[ⵜⴰⵏⵣⴳⴳⵉⵜ ⵜⵓⴽⵍⵉⴷⵜ|ⵜⵏⵣⴳⴳⵉⵜ ⵜⵓⴽⵍⵉⴷⵜ]], '''ⴰⴳⵜⴷⵉⵙ''' (ⵢⵓⵍⵖⵏ ⵙ ⵜⴳⵓⵔⵉ "ⴰⴳⵜ" ⴷ ⵜⴳⵓⵔⵉ "ⵉⴷⵉⵙ") ⴷ [[ⵓⵏⵓⵖ ⴰⵏⵣⴳⴳⴰⵏ ⵓⴳⵏⵉⵡ]] ⵉⵜⵜⵡⴰⵙⴽⴰⵔⵏ ⵙ ⵢⴰⵏ [[ⴰⵣⵔⵉⵔⵉⴳ ⵢⴰⴹⵓⵏ|ⵓⵣⵔⵉⵔⵉⴳ ⵢⴰⴹⵓⵏ]] ⵉⵇⵇⵏⵏ, ⵙ ⵢⴰⵏ ⵓⵙⵔⵔⴰⵔⵓ ⵉⵏⵏⴹⵏ ⵏ [[ⵜⴰⴳⵣⵎⵜ|ⵜⴳⵣⵎⵉⵏ]] ⵉⵎⵙⴹⴼⴰⵔⵏ.

ⵜⵉⴳⵣⵎⵉⵏ ⴰ ⵜⵜⵓⵙⵎⵎⴰⵏⵜ ⵉⴷⵉⵙⵏ ⵏⵖ ⵜⴰⵎⵉⵡⵉⵏ, ⵉⵖⴼⴰⵡⵏ ⵏ ⵢⵉⴷⵉⵙⵏ ⵜⵜⵓⵙⵎⵎⴰⵏ ⵜⵉⵇⴰⵛⵓⵛⵉⵏ ⵏ ⵓⴳⵜⴷⵉⵙ.
[[ⴰⴼⴰⵢⵍⵓ:Assorted_polygons.svg|thumb|440px|ⵉⴳⵜⴷⵉⵙⵏ]]

=ⴰⵎⴰⵡⴰⵍ ⴰⵙⵉⵍⴰⵏ=

ⵢⵓⵍⵖ ⵓⴳⵜⴷⵉⵙ ⵙ:
* ⵢⴰⵜ ⵜⵎⵢⴰⴹⴼⴰⵔⵜ ⵉⵎⴷⵏ ⵏ [[ⵜⵉⵇⵉⴼⵉⵜ (ⵜⴰⵏⵣⴳⴳⵉⵜ)|ⵜⵇⵉⴼⴰ]] ⵎⵉ ⵏⵜⵜⵉⵏⵉ [[ⵜⴰⵇⴰⵛⵓⵛⵜ (ⵜⴰⵏⵣⴳⴳⵉⵜ)|ⵜⵉⵇⴰⵛⵓⵛⵉⵏ]];
* ⵜⵉⴳⵣⵣⵓⵎⵉⵏ ⵉⵣⴷⴷⵉⵏ ⴳⵔ ⵜⵢⵓⴳⵉⵡⵉⵏ ⵏ ⵜⵇⴰⵛⵓⵛⵉⵏ ⵉⵎⵢⴰⴹⴼⴰⵔⵏ ⴷ ⴰⵡⴷ ⵜⴰⴳⵣⵣⵓⵎⵜ ⵉⵣⴷⵉⵏ ⵜⵉⵇⵉⴼⵉⵜ ⵜⴰⵎⵣⵡⴰⵔⵓⵜ ⴷ ⵜⵎⴳⴳⴰⵔⵓⵜ, ⴷⴰ ⴰⵙⵏⵜ ⵏⵜⵜⵉⵏⵉ ⵉⴷⵉⵙⵏ.
[[ⴰⴼⴰⵢⵍⵓ:An-poly.svg|220px|thumb|right|ⴰⴳⵏⵙⴻⵙ ⵏ ⵢⴰⵏ ⵓⴳⵜⴷⵉⵙ ABCD]]

ⵏⵜⵜⵡⴰⵜⴰⵙ ⴰⴳⵜⴷⵉⵙ, ⵙ ⵡⵓⴷⵎ ⴰⵎⴰⵜⴰⵢ, ⵙ ⵓⵙⵎⵢⵉⴹⴼⵉⵔ ⵏ ⵉⵙⴽⴽⵉⵍⵏ ⵉⵡⴰⵜⵙⵏ ⵜⵉⵇⴰⵛⵓⵛⵉⵏ, ⴳ ⵓⵏⵎⴰⵍⴰ ⵏ ⵜⵎⵢⴰⴹⴼⴰⵔⵜ.

ⴽⵓ ⵙⵉⵏ ⵉⴷⵉⵙⵏ ⵉⵎⵢⴰⴹⴼⴰⵔⵏ ⴷⴰ ⵙⴽⴰⵔⵏ ⵢⴰⵜ [[ⵜⵉⵖⵎⵔⵜ ⵜⴰⴳⵏⵙⴰⵏⵜ|ⵜⵖⵎⵔⵜ ⵜⴰⴳⵏⵙⴰⵏⵜ]].

[[ⴰⵣⵣⵉⴽⵉⵜ]] ⵏ ⵓⴳⵜⴷⵉⵙ ⴷ ⵜⴰⵎⵔⵏⵉⵡⵜ ⵏ ⵜⴰⵖⵣⵉⵡⵉⵏ ⵏ ⵢⵉⴷⵉⵙⵏ ⵏ ⵓⴳⵜⴷⵉⵙ ⴰ.

==ⴰⵏⵎⴰⵍⴰ ⵏ ⵢⴰⵏ ⵓⴳⵜⴷⵉⵙ==

ⵉⴳⴰ ⵜ ⵡⵓⵟⵟⵓⵏ ⵏ ⵢⵉⴷⵉⵙⵏ ⵏⵏⵙ, ⵏ ⵜⵖⵎⵔⵉⵏ ⵏⵏⵙ ⵏⵖ ⵏ ⵜⵇⴰⵛⵓⵛⵉⵏ ⵏⵏⵙ.

==ⵉⴼⵔⴷⵉⵙⵏ ⵉⵎⵏⴰⵍⴰⵏ==

*ⵎⴽ ⵉⴳⴰ ⵓⵎⵏⴰⵍⴰ ⵏ ⵓⴳⵜⴷⵉⵙ ⴰⵢⵓⴳⴰⵏ: 
**ⵜⵉⵇⴰⵛⵓⵛⵉⵏ ⴱⴹⴰⵏ <math>\frac n2</math> ⵏ ⵢⵉⴷⵉⵙⵏ, ⴷⴰ ⵏⵜⵜⵉⵏⵉ « ⵎⵏⴰⵍⴰⵏⵜ » ⴳⵔⴰⵙⵏⵜ;
**ⵎⴽⴰⵏⵏ ⴰⵡⴷ ⵜⵉⵖⵎⵔⵉⵏ ⵙⵉⵙⵏⵜ ⵉⵇⵇⵏⴻⵏ; 
**ⴰⵡⴷ ⵉⴷⵉⵙⵏ ⴱⴹⴰⵏⵜ   <math>\frac n2</math> ⵏ ⵜⵇⴰⵛⵓⵛⵉⵏ, ⴷⴰ ⵏⵜⵜⵉⵏⵉ « ⵎⵏⴰⵍⴰⵏ » ⴳⵔⴰⵙⵏ.
*ⵎⴽ ⵉⴳⴰ ⵓⵎⵏⴰⵍⴰ ⵏ ⵓⴳⵜⴷⵉⵙ ⴰⵔⵢⵓⴳⴰⵏ, ⴷⴰ ⵜⵜⵉⵍⵉⵏ ⵢⵉⴷⵉⵙⵏ ⵎⵏⴰⵍⴰⵏ ⴷ ⵜⵇⴰⵛⵓⵛⵉⵏ ⴷ ⵜⵖⵎⵔⵉⵏ (ⴷ ⵎⴳⴰⵍ); ⵙ ⵜⵏⵖⴷⴰ, ⴽⵓ ⵜⴰⵇⴰⵛⵓⵛⵜ ⵏⵖ (ⴽⵓ ⵜⵉⵖⵎⵔⵜ) « ⵜⵎⵏⴰⵍⴰ » ⴷ ⵢⵉⴷⵉⵙ ⵢⴰⴳⴳⵓⴳⵏ ⵙ <math>\frac{n-1}2</math> ⵏ ⵜⵇⴰⵛⵓⵛⵉⵏ.

==ⵉⴷⵉⵙⵏ ⵉⵜⵜⵓⵙⵖⵣⵉⴼⵏ ⴷ ⵓⴷⵓⴱⴷⵉⵙ==

ⵜⴰⵖⴷⵉⵡⵉⵏ ⵢⵓⵙⵉⵏ ⵉⴷⵉⵙⵏ ⵏ ⵢⴰⵏ ⵓⴳⵜⴷⵉⵙ ⴷⴰ ⴰⵙⵏ ⵏⵜⵜⵉⵏⵉ ⵉⴷⵉⵙⵏ ⵉⵜⵜⵓⵙⵖⵣⵉⴼ ⵏ ⵓⴳⵜⴷⵉⵙ ⴰ.

[[ⴰⴷⵓⴱⴷⵉⵙ]] ⵏ ⵢⴰⵏ ⵓⴳⵜⴷⵉⵙ ⵜⴳⴰ ⵜ ⵢⴰⵜ ⵜⴳⵣⵣⵓⵎⵜ ⵉⵣⴷⴷⵉⵏ ⴳⵔ ⵙⵏⴰⵜ ⵜⵇⴰⵛⵓⵛⵉⵏ ⵏⵏⵙ ⵓⵔ ⵉⵎⵢⴰⴹⴼⴰⵔⵏ, ⵙ ⵜⵏⴼⴰⵍⵉⵜ ⵢⴰⴹⵏ, ⴷ ⵜⴰⴳⵣⵣⵓⵎⵜ ⵉⵣⴷⴷⵉⵏ ⴳⵔ ⵙⵏⴰⵜ ⵜⵇⴰⵛⵓⵛⵉⵏ ⵎⴰⵛⴰ ⵓⵔ ⵜⴳⵉ ⵉⴷⵉⵙ ⵉ ⵓⴳⵜⴷⵉⵙ ⴰ.

ⵙ ⵎⴽⴰ, ⴰⴳⵜⴷⵉⵙ ⴱⵓ <math>{n}</math> ⵏ ⵢⵉⴷⵉⵙⵏ ⴰⴷ ⵢⵉⵍⵉ <math>{n \choose 2} - n = \frac{n(n-3)}2</math> ⵏ ⵉⴷⵓⴱⴷⵉⵙⵏ.

=ⵜⴰⵙⵏⴰⵏⴰⵡⵜ ⵏ ⵉⴳⵜⴷⵉⵙⵏ=
ⵍⵍⴰⵏⵜ ⵎⵏⵏⴰⵡ ⵏ ⵜⵖⴰⵔⴰⵙⵉⵏ ⵙ ⵏⵙⵙⵓⵔⵜⵓⵢ ⵉⴳⵜⴷⵉⵙⵏ : ⵙ ⵓⴹⴼⴼⵓⵕ ⵏ ⵜⵉⴼⴼⵏⵙⵓⵜ ⵏⵏⵙⵏ, ⵏ ⵜⵓⵊⵊⵓⵕⵜ ⵏⵏⵙⵏ, ⵏ ⵜⵖⵎⵔⵉⵏ ⵏⵏⵙⵏ... ⵎⴰⵛⴰ ⴷⴰ ⵜⵏ ⵏⵙⵙⵓⵔⵜⵓⵢ ⵣⵡⴰⵔ ⵙ ⵓⴹⴼⴼⵓⵕ ⵏ ⵓⵟⵟⵓⵏ ⵏ ⵢⵉⴷⵉⵙⵏ ⵏⵏⵙⵏ. 
==ⴰⵙⵙⵓⵔⵜⵢ ⵙ ⵓⴹⴼⴼⵓⵔ ⵏ ⵡⵓⵟⵟⵓⵏ ⵏ ⵢⵉⴷⵉⵙⵏ==
ⵏⵖⵢ ⴰⴷ ⵏⵙⵙⵓⵔⵜⵢ ⵉⴳⵜⴷⵉⵙⵏ ⵙ ⵓⴹⴼⴼⵓⵕ ⵏ ⵓⵏⵎⴰⵍⴰ ⵏⵏⵙ.

ⵉⴳⵜⴷⵉⵙⵏ ⴰⵢⵜ ⵓⵏⵎⴰⵍⴰ 1 ⴷ 2 ⵓⵔ ⵏⴼⵉ ⴰⴷ ⵜⵏ ⵏⵙⵙⵓⵏⵖ : ⵇⵇⵏⵏ ⵙ ⵜⵡⴰⵍⴰ ⵖⵔ [[ⵜⵉⵇⵉⴼⵉⵜ|ⵜⵇⵉⴼⵉⵜ]] ⴷ [[ⵜⴰⴳⵣⵣⵓⵎⵜ|ⵜⴳⵣⵣⵓⵎⵜ]], ⵜⵉⵍⵉ ⵖⵓⵔⵙⵏ [[ⵜⴰⵊⵓⵎⵎⴰ|ⵜⵊⵓⵎⵎⴰ]] ⵜⴰⵏⴱⵔⴰⵔⵜ.

ⴰⴳⵜⴷⵉⵙ ⴰⴽⴽⵯ ⵉⵎⵥⵥⵉⵢⵏ ⵉⵙⵙⵏⵏ ⵉ ⵓⵙⵓⵏⵖ ⵉⴳⴰ ⵜ [[ⴰⵎⴽⵕⴰⴹ|ⵓⵎⴽⵕⴰⴹ]].

ⵉⴹⴼⵕ ⵜ ⵉⴷ [[ⴰⴽⵓⵥⴷⵉⵙ|ⵓⴽⵓⵥⴷⵉⵙ]] ⵏⵏⴰ ⵉⵍⴰⵏ ⴰⵏⵎⴰⵍⴰ 4.

ⵉⴳⵜⴷⵉⵙⵏ ⵉⵍⴰⵏ ⴰⵏⵎⴰⵍⴰ 4 ⵏⵖ ⵓⴳⴳⴰⵔ ⴷⴰ ⴰⵙⵏ ⵏⴰⴽⴽⴰ ⵢⴰⵏ ⵢⵉⵙⵎ ⵓⴷⴷⵉⵙ ⵉⵏⵉⵏ ⵙ ⵡⵓⵟⵟⵓⵏ ⵏ ⵓⵏⵎⴰⵍⴰ ⵏⵏⵙ ⴷ ⵡⵓⴹⴼⵉⵕ -ⴷⵉⵙ (ⴰⵙⵉⵎⴷⵉⵙ, ⴰⵙⴹⴷⵉⵙ, ⴰⵙⴰⴷⵉⵙ, ⴰⵜⴰⵎⴷⵉⵙ...).

ⵉⴳ ⵉⴽⴽⴰ ⵓⵏⵎⴰⵍⴰ ⵏ ⵓⴳⵜⴷⵉⵙ ⵏⵏⵉⴳ 10 (11 ⵏⵖ ⵓⴳⴳⴰⵔ), ⴷⴰ ⵏⵜⵜⵉⵏⵉ : ⴰⴳⵜⴷⵉⵙ ⴱⵓ n ⵏ ⵢⵉⴷⵉⵙⵏ.

==ⴰⵙⵙⵓⵔⵜⵢ ⵙ ⵜⵉⴼⴼⵏⵙⵓⵜ==
===ⴰⴳⵜⴷⵉⵙ ⴰⵏⵎⵉⴷⴰⴳ===
===ⴰⴳⵜⴷⵉⵙ ⴰⴼⵔⴰⵔ===
====ⴰⴳⵜⴷⵉⵙ ⴰⵔⴼⵏⵙⵓ====
====ⴰⴳⵜⴷⵉⵙ ⴰⴼⴼⵏⵙⵓ====
==ⴰⵙⵙⵓⵔⵜⵢ ⵙ ⵓⵎⵣⵉⵢⵜ==
===ⴰⵡⵏⴳⵉⵎ ⵏ ⵓⴼⵔⴷⵉⵙ ⵏ ⵓⵎⵣⵉⵢⵜ===
===ⴰⵡⵏⴳⵉⵎ ⵏ ⵓⴳⵜⴷⵉⵙ ⴰⵍⵓⴳⴰⵏ===
===ⴰⵎⵣⵉⵢⵜ ⴰⴳⵊⴷⴰⵏ===
===ⴰⵎⵣⵉⵢⵜ ⴰⵏⴰⵎⵎⴰⵙ===

==ⴰⵙⵙⵓⵔⵜⵢ ⵙ ⵜⵖⵎⵔⵉⵏ==
===ⴰⴳⵜⴷⵉⵙ ⴰⴳⴷⵓⵖⵎⵉⵔ===
===ⵜⵉⵖⵎⵔⵉⵏ ⵜⵉⵎⴰⵖⵓⴷⵉⵏ===
==ⵉⵙⵙⵓⵔⵜⵢⵏ ⵢⴰⴹⵏ==
===ⵉⴳⵜⴷⵉⵙⵏ ⵉⴳⵏⵙⴰⵏⴻⵏ (ⴳ ⵢⴰⵜ ⵜⵡⵔⴻⵔⵔⴰⵢⵜ)===
===ⵉⴳⵜⴷⵉⵙⵏ ⵉⵎⴰⵏⵏⴰⴹⵏ (ⵉ ⵢⴰⵜ ⵜⵡⵔⴻⵔⵔⴰⵢⵜ)===
===ⴰⴳⵜⴷⵉⵙ ⴰⵙⵉⵏⵎⴰⵙ===

=ⵜⴰⵎⵔⵏⵉⵡⵜ ⵏ ⵜⵖⵎⵔⵉⵏ=
[[ⴰⴼⴰⵢⵍⵓ:Interior exterior triangle.svg|thumb|ⵜⴰⵎⵔⵏⵉⵡⵜ ⵏ ⵜⵖⵎⵔⵉⵏ ⵜⵉⵣⵖⵔⴰⵏⵉⵏ ⵜⴳⴷⴰ 360° ⵜⴳ ⵜⵖⵎⵔⵜ ⵜⴰⵣⵖⵔⴰⵏⵜ ⴷ ⵜⵖⵎⵔⵜ ⵜⴰⴳⵏⵙⴰⵏⵜ ⵇⵇⵏⵏⵉⵏⵜ ⵙ ⵢⵉⵡⵜ ⵜⵇⴰⵛⵓⵛⵜ ⵜⵉⵎⵙⵉⵜⵉⵢⵉⵏ.]]

[[ⴰⴼⴰⵢⵍⵓ:Triangle strip.png|thumb|left|ⵢⴰⵏ ⵓⵙⴰⴷⵉⵙ ⴰⴼⵔⴰⵔ ⵉⵜⵜⵓⴱⴹⴰⵏ ⵅⴼ ⵙⵎⵎⵓⵙ ⵏ ⵢⵉⴽⵔⴷⵉⵙⵏ]]

[[ⴰⴼⴰⵢⵍⵓ:Pentagon not pitteway.png|thumb|ⵢⴰⵏ ⵓⵙⵎⵓⵙⴷⵉⴷ ⴰⴼⴼⵏⵙⵓ ⵉⴱⴹⴰⵏ ⵅⴼ ⴽⵕⴰⴹ ⵉⴽⵔⴷⵉⵙⵏ ⵉⵍⴰⵏ ⵎⵉ ⵜⵙⵙⴰⵔ ⵜⵙⵙⴰⵔ ⵜⵇⴰⵛⵓⵛⵜ]]

ⵜⴰⵎⵔⵏⵉⵡⵜ ⵏ [[ⵜⵉⵖⵎⵔⵜ ⵜⴰⴳⵏⵙⴰⵏⵜ|ⵜⵖⵎⵔⵉⵏ ⵜⵉⴳⵏⵙⴰⵏⵉⵏ]] ⵏ ⵢⴰⵏ ⵓⴳⵜⴷⵉⵙ ⴰⴼⵔⴰⵔ ⴱⵓ ⵓⵎⵏⴰⵍⴰ <math>n</math> ⵓⵔ ⵖⵔⵙ ⴰⵙⵙⴰⵖ ⵙ ⵜⴰⵍⵖⴰ ⵏⵏⵙ, ⵉⴳⴷⴰ (ⵙ [[ⴰⵔⴰⴷⵢⴰⵏ|ⵓⵔⴰⴷⵢⴰⵏ]] ⴷ [[ⵜⴰⵙⴽⴼⵍⵜ (ⵜⵉⵖⵎⵔⵜ)|ⵜⵙⴽⴼⵍⵜ]]):
<center><math>S = (n - 2)\times\pi~\mathrm{rad}=(n-2)\times180^\circ=n \times180^\circ-360^\circ.</math></center>

ⴳ ⵓⵎⵏⵉⴷ ⴰ, ⵜⴰⵏⴼⴰⵍⵉⵜ ⴰ, [[ⵜⴰⵎⵔⵏⵉⵡⵜ ⵏ ⵜⵖⵎⵔⵉⵏ ⵏ ⵓⴽⵔⴷⵉⵙ|ⵉⵜⵜⵡⴰⵙⵙⵏⴻⵏ ⵡⴰⵍⴰ ⴳ ⵡⴰⴷⴷⴰⴷ ⵏ ''n'' = 3]] ⴷⴰ ⵜⵓⵜⵜⵓⵙⵎⴰⵜⵓ ⵙ ⵜⴱⴹⵉⵜ ⵏ ⵓⴳⵜⴷⵉⵙ ⵅⴼ <math>n - 2</math> ⵏ ⵢⵉⴽⵔⴷⵉⵔⵏ ⵉⵙⵍⵖⵏ ⵙⵉⵏ ⵙⵉⵏ ⵙ ⵢⴰⵏ ⵢⵉⴷⵉⵙ ⵉⵙⵙⴰⵔⵏ, ⵉⴷⵉⵙ ⴰ ⵉⴳⴰ ⵢⴰⵏ ⵙⴳ ⵉⴷⵓⴱⴷⵉⵙⵏ ⵏ ⵓⴳⵜⴷⵉⵙ (ⴳ ⵡⴰⴷⴷⴰⴷ ⵉⵥⵍⵉⵏ ⵏ ⵓⴳⵜⴷⵉⵙ ⴰⴼⴼⵏⵙⵓ, ⵉⴳⵓⵎ ⴰⴷ ⵜⵜⵡⴰⵙⴰⵢⵏⵜ ⵜⴳⵣⵎⵉⵏ ⵉⵣⴷⴷⵉⵏ ⴳⵔ ⵢⴰⵜ ⵙⴳ ⵜⵇⴰⵛⵓⵛⵉⵏ ⴷ ⵜⵇⴰⵛⵓⵛⵉⵏ ⵢⴰⴹⵏ ⵎⴷⵏⵜ).

=ⵉⴳⵜⴷⵉⵙⵏ ⵉⵎⵏⴰⵡⴰⵢⵏ (ⵉⵎⵙⵓⴷⴷⴰⵙⵏ)=
=ⵜⵉⵎⵙⵙⴽⵜⵉⵢⵉⵏ ⴷ ⵉⵙⵓⵖⴰⵍ=
=ⵥⵔ ⴰⵍⵜⵓ=

[[ⴰⵙⵎⵉⵍ:ⵜⴰⵏⵣⴳⴳⵉⵜ]]
==ⵉⵙⴰⵖⵓⵍⵏ==