19:37, 20 Хоёрдугаар сар 2021-ий байдлаарх засвар

ᠯᠣᠪᠠᠴᠧᠹᠰᠻᠢ ‍ᠢᠢᠨ ᠭᠧᠣᠮᠧᠲ᠋ᠧᠷ

ᠯᠣᠪᠠᠴᠧᠹᠰᠻᠢ^{Лобачевский} ᠮᠠᠨ ᠤ ᠶᠢᠷᠲᠢᠨᠴᠦ ᠳ᠋ᠦ ᠧᠦ᠋ᠻ᠊ᠯᠢᠳ᠋  ᠦᠨ ᠬᠠᠪᠲᠠᠭᠠᠢ ᠭᠧᠣᠮᠧᠲ᠋ᠧᠷ^geometry᠂ ᠮᠤᠷᠤᠶ᠋ᠢᠯᠲᠠ ᠲᠠᠢ ᠭᠧᠣᠮᠧᠲ᠋ᠧᠷ ᠬᠣᠶᠠᠷ  ᠤᠨ ᠠᠯᠢ ᠨᠢ ᠪᠣᠳᠠ ᠲᠠᠢ ᠲᠣᠬᠢᠷᠠᠬᠤ ᠪᠤᠢ ᠭᠡᠰᠡᠨ ᠠᠰᠠᠭᠤᠯᠲᠠ ᠳᠡᠪᠰᠢᠭᠦᠯᠵᠡᠢ᠃^[1]
ᠡᠭᠦᠪᠡᠷ ‍ᠢᠢᠡᠨ ᠧᠦ᠋ᠻ᠊ᠯᠢᠳ᠋^Euclid  ‍ᠦᠨ ᠪᠤᠰᠤ ᠭᠧᠣᠮᠧᠲ᠋ᠧᠷ ‍ᠢ ᠦᠨᠳᠦᠰᠦᠯᠡᠵᠦᠬᠦᠢ᠃

ᠠᠻᠰᠢᠣᠮ

D ᠰᠢᠯᠠᠭᠤᠨ ᠲᠠᠢ ᠫᠠᠷᠠᠯᠯᠧᠯ^parallel ᠠᠭᠠᠳ M ᠴᠡᠭ ‍ᠢᠢᠡᠷ ᠳᠠᠭᠠᠷᠢᠬᠤ d1᠂ d2᠂ d3 ᠲᠡᠢ ᠠᠳᠠᠯᠢ ᠬᠢᠵᠠᠭᠠᠷ ᠦᠭᠡᠢ ᠣᠯᠠᠨ ᠰᠢᠯᠠᠭᠤᠨ ᠪᠠᠢᠢᠨ᠎ ‍ᠠ᠋

ᠲᠤᠬᠠᠢ ‍ᠢᠢᠨ ᠰᠢᠯᠠᠭᠤᠨ ᠪᠠ ᠲᠡᠭᠦᠨ ᠳ᠋ᠤ ᠦᠯᠦ ᠬᠠᠷᠢᠶᠠᠯᠠᠭᠳᠠᠬᠤ ᠴᠡᠭ ‍ᠦᠨ ᠣᠷᠣᠰᠢᠵᠤ ᠪᠠᠢᠢᠭ᠎ ‍ᠠ᠋ ᠬᠠᠪᠲᠠᠭᠠᠢ ᠳ᠋ᠤ ᠲᠡᠷᠡ ᠴᠡᠭ ‍ᠢᠢ ᠳᠠᠭᠠᠷᠢᠭᠤᠯᠤᠨ ᠲᠤᠬᠠᠢ ‍ᠢᠢᠨ ᠰᠢᠯᠠᠭᠤᠨ ᠲᠠᠢ ᠦᠯᠦ ᠣᠭᠲᠠᠯᠠᠯᠴᠠᠬᠤ ᠨᠢᠭᠡ ᠡᠴᠡ ᠣᠯᠠᠨ ᠰᠢᠯᠠᠭᠤᠨ ᠲᠠᠲᠠᠵᠤ ᠪᠣᠯᠤᠨ᠎ ‍ᠠ᠋᠃^[2]

ᠡᠨᠡ ᠪᠣᠯ ᠯᠣᠪᠠᠴᠧᠣᠰᠻᠢ ‍ᠢᠢᠨ ᠳᠡᠪᠰᠢᠭᠦᠯᠦᠭᠰᠡᠨ ᠫᠣᠰᠲ᠋ᠦ᠋ᠯᠠᠲ^postulate᠃

ᠡᠭᠦᠨ ‍ᠢ ᠧᠦ᠋ᠻ᠊ᠯᠢᠳ᠋ ‍ᠦᠨ 5 ᠳ᠋ᠤᠭᠠᠷ ᠫᠣᠰᠲ᠋ᠦ᠋ᠯᠠᠲ ‍ᠤᠨ ᠣᠷᠤᠨ ᠳ᠋ᠤ ᠰᠠᠨᠠᠯ ᠪᠣᠯᠭᠠᠭᠰᠠᠨ ᠪᠢᠯᠡ᠃

ᠧᠦ᠋ᠻ᠊ᠯᠢᠳ᠋ ‍ᠦᠨ 5 ᠳ᠋ᠤᠭᠠᠷ ᠫᠣᠰᠲ᠋ᠦ᠋ᠯᠠᠲ ᢩᠪᠤᠶᠤ ᠠᠻᠰᠢᠣᠮ ᠨᠢ᠄

ᠲᠤᠬᠠᠢ ‍ᠢᠢᠨ ᠰᠢᠯᠠᠭᠤᠨ ᠪᠠ ᠲᠡᠭᠦᠨ ᠳ᠋ᠤ ᠦᠯᠦ ᠬᠠᠷᠢᠶᠠᠯᠠᠭᠳᠠᠬᠤ ᠴᠡᠭ ‍ᠦᠨ ᠣᠷᠣᠰᠢᠵᠤ ᠪᠠᠢᠢᠭ᠎ ‍ᠠ᠋ ᠬᠠᠪᠲᠠᠭᠠᠢ ᠳ᠋ᠤ ᠲᠡᠷᠡ ᠴᠡᠭ ‍ᠢᠢ ᠳᠠᠭᠠᠷᠢᠭᠤᠯᠤᠨ ᠲᠤᠬᠠᠢ ‍ᠢᠢᠨ ᠰᠢᠯᠠᠭᠤᠨ ᠲᠠᠢ ᠫᠠᠷᠠᠯᠯᠧᠯ ᠭᠠᠭᠴᠠ ᠪᠥᠭᠡᠳ ᠵᠥᠪᠬᠡᠨ ᠭᠠᠭᠴᠠ ᠰᠢᠯᠠᠭᠤᠨ ᠲᠠᠲᠠᠵᠤ ᠪᠣᠯᠤᠨ᠎ ‍ᠠ᠋

ᠭᠡᠵᠦ ᠲᠣᠮᠢᠶᠠᠯᠠᠭᠳᠠᠳᠠᠭ᠃

ᠯᠣᠪᠠᠴᠧᠡᠰᠻᠢ ‍ᠢᠢᠨ ᠭᠧᠣᠮᠧᠲ᠋ᠧᠷ ᠨᠢ ᠧᠦ᠋ᠻ᠊ᠯᠢᠳ᠋ ‍ᠦᠨ ᠭᠧᠣᠮᠧᠲ᠋ᠧᠷ ‍ᠦᠨ ᠡᠨᠡ ᠠᠻᠰᠥᠣᠮ ᠡᠴᠡ ᠪᠤᠰᠤᠳ ᠰᠠᠭᠤᠷᠢ ᠦᠵᠡᠯ ᠪᠠᠷᠢᠮᠲᠠᠯᠠᠯ ‍ᠤᠳ ᠳᠡᠭᠡᠷ ‍ᠡ᠋ ᠦᠨᠳᠦᠰᠦᠯᠡᠭᠰᠡᠨ ᠪᠠᠢᠢᠳᠠᠭ᠃^[3]

ᠮᠥᠷᠳᠡᠯᠭᠡ

ᠬᠠᠪᠲᠠᠭᠠᠦ ᠪᠤᠰᠤ ᠭᠠᠳᠠᠷᠭ᠎ ‍ᠠ᠋ ‍ᠳᠠᠬᠢ ᠲᠡᠭᠦᠰ ᠭᠤᠷᠪᠠᠯᠵᠢᠨ

ᠯᠣᠪᠠᠴᠡᠹᠰᠻᠢ ‍ᠢᠢᠨ ᠵᠠᠷᠢᠮ ᠲᠾᠧᠣᠷᠧᠮ ‍ᠦᠳ ᠨᠢ ᠧᠦ᠋ᠻ᠊ᠯᠢᠳ᠋ ‍ᠦᠨ ᠬᠠᠷᠠᠭᠠᠯᠵᠠᠬᠤ ᠲᠾᠧᠣᠷᠧᠮ ‍ᠦᠳ ᠡᠴᠡ ᠢᠯᠭᠠᠭ᠎ ‍ᠠ᠋ ᠲᠠᠢ ᠠᠵᠡᠢ᠃

ᠨᠢᠭᠡᠨ ᠲᠾᠧᠣᠷᠧᠮ ᠨᠢ ᠭᠤᠷᠪᠠᠯᠵᠢᠨ ‍ᠤ $\alpha$ ᠂ $\beta$ ᠂ $\gamma$ ᠥᠨᠴᠦᠭ ‍ᠦᠳ ‍ᠦᠨ ᠨᠡᠢᠢᠯᠡᠪᠦᠷᠢ ᠲᠡᠭᠰᠢ ᠥᠨᠴᠦᠭ ᠡᠴᠡ ᠢᠠᠮᠠᠭᠲᠠ ᠪᠠᠭ᠎ ‍ᠠ᠋ ᠪᠠᠢᠢᠨ᠎ ‍ᠠ᠋ ᠭᠡᠳᠡᠭ᠃

ᠲᠡᠭᠰᠢ ᠥᠨᠴᠦᠭ ᠪᠠ ᠭᠤᠷᠪᠠᠯᠵᠢᠨ ‍ᠤ ᠥᠨᠴᠦᠭ ‍ᠦᠳ ‍ᠦᠨ ᠨᠡᠢᠢᠯᠡᠪᠦᠷᠢ ‍ᠢᠢᠨ ᠢᠯᠭᠠᠭ᠎ ‍ᠠ᠋ ᠭᠤᠷᠪᠠᠯᠵᠢᠨ ‍ᠤ ᠳ᠋ᠧᠹᠧᠻᠲ ᠭᠡᠨ᠎ ‍ᠡ᠋᠃^[4]

ᠭᠤᠷᠪᠠᠯᠵᠢᠨ ‍ᠤ ᠲᠠᠯᠠᠪᠠᠢ ᠨᠢ ᠳᠠᠷᠠᠭᠠᠬᠢ ᠪᠠᠢᠢᠳᠠᠯ ‍ᠢᠢᠠᠷ ᠲᠣᠭᠠᠴᠠᠭᠠᠯᠠᠭᠳᠠᠨ᠎ ‍ᠠ᠋᠄

$S=(\pi -\alpha -\beta -\gamma )({\frac {1}{\sqrt {-K}}})^{2}{}{}\!$

ᠡᠭᠦᠨ ᠳ᠋ᠦ K ᠨᠢ ᠭᠠᠦ᠋ᠰᠰ ‍ᠤᠨ ᠮᠤᠷᠤᠢᠢᠯᠲᠠ ᠭᠡᠳᠡᠭ᠃ ᠡᠨᠡ ᠨᠢ ᠲᠤᠬᠠᠢᠢ ‍ᠢᠢᠨ ᠴᠡᠭ ‍ᠦᠨ ᠣᠷᠴᠢᠮ ᠳ᠋ᠠᠬᠢ ᠭᠠᠳᠠᠷᠭ᠎ ‍ᠢᠢᠨ ᠮᠤᠷᠦᠢᠢᠯᠲᠠ ‍ᠢᠢᠨ ᠬᠡᠮᠵᠢᠶ ‍ᠡ᠋ ᠶᠤᠮ᠃

ᠪᠠᠰᠠ ᠨᠢᠭᠡ ᠮᠥᠷᠳᠡᠯᠭᠡ ᠨᠢ "ᠬᠣᠶᠠᠷ ᠲᠥᠰᠦᠲᠠᠢ ᠭᠤᠷᠪᠠᠯᠵᠢᠨ ‍ᠣ ᠲᠠᠯᠠᠪᠠᠢ ᠲᠡᠩᠴᠡᠭᠦᠦ ᠪᠠᠢᠢᠨ᠎ ‍ᠠ᠋" ᠬᠡᠮᠡᠨ᠎ ‍ᠡ᠋᠃ ᠥᠭᠡᠷ ‍ᠡ᠋ ‍ᠢᠢᠡᠷ ᠬᠡᠯᠡᠪᠡᠯ ᠲᠥᠰᠦᠲᠠᠢ ᠭᠤᠷᠪᠠᠯᠵᠢᠨ ᠨᠤᠭᠤᠳ ᠻᠣᠨ᠍ᠭ᠌ᠷᠦ᠋ᠧᠨ᠍ᠲ^congruent ᠪᠠᠢᠢᠨ᠎ ‍ᠠ᠋᠃

ᠡᠨᠡ ᠮᠡᠲᠦ ᠪᠡᠷ ᠯᠣᠪᠠᠴᠧᠹᠰᠻᠢ ‍ᠢᠢᠨ ᠭᠧᠣᠮᠧᠲ᠋ᠧᠷ ‍ᠦᠨ ᠮᠥᠷᠳᠡᠯᠭᠡ ᠨᠦᠭᠦᠳ ᠬᠡᠳᠦᠢ ᠡᠲᠡᠭᠡᠳ ᠭᠠᠵᠢ᠂ ᠫᠠᠷᠠᠳᠣᠻᠰ^paradox ᠶᠤᠮ ᠰᠢᠭ ᠪᠣᠯᠪᠠᠴᠤ ᠤᠯᠠᠮᠵᠢᠯᠠᠯᠲᠤ ᠭᠧᠣᠮᠧᠲ᠋ᠧᠷ ᠲᠡᠢ ᠪᠦᠷᠢᠨ ᠠᠳᠠᠯᠢ ᠡᠷᠬᠡ ᠲᠡᠢ ᠠᠵᠡᠢ᠃

ᠰᠢᠨ᠎ ‍ᠡ᠋ ᠭᠧᠣᠮᠧᠲ᠋ᠧᠷ ᠨᠢ ᠣᠷᠤᠨ ᠵᠠᠢ ‍ᠢᠢᠨ ᠮᠥᠨ ᠴᠢᠨᠠᠷ ‍ᠤᠨ ᠲᠤᠬᠠᠢ ᠣᠢᠢᠯᠠᠭᠠᠯᠲᠠ ‍ᠳᠤ ᠰᠠᠭᠤᠷᠢ ᠥᠭᠡᠷᠡᠴᠢᠯᠡᠯᠲᠡ ‍ᠢᠢ ᠠᠪᠴᠢᠷᠠᠭᠰᠠᠨ ᠪᠠᠢᠢᠨ᠎ ‍ᠠ᠋᠃

ᠨᠡᠷ ‍ᠡ᠋ ᠲᠣᠮᠢᠶᠠᠯᠠᠯ

ᠾᠢᠫᠧᠷᠪᠣᠯ ᠭᠧᠣᠮᠧᠲ᠋ᠧᠷ - hyperbolic geometry - гиперболическая геометрия, геометрия Лобачевского
ᠧᠦ᠋ᠻ᠊ᠯᠢᠳ᠋  ᠦᠨ ᠭᠧᠣᠮᠧᠲ᠋ᠧᠷ - Euclidean geometry - евклидова геометрия
ᠧᠦ᠋ᠻ᠊ᠯᠢᠳ᠋  ᠦᠨ ᠪᠤᠰᠤ ᠭᠧᠣᠮᠧᠲ᠋ᠧᠷ - non-Euclidean geometry - неевклидова геометрия
ᠴᠡᠭ - point - точка
ᠰᠢᠯᠠᠭᠤᠨ - line - прямая

ᠡᠬᠢ ᠰᠤᠷᠪᠤᠯᠵᠢ

↑ Орон зайн муруйлт ба цаг хугацааны гажилт᠃ ᠬᠠᠨᠳᠤᠭᠰᠠᠨ 2021/02/18
↑ Хоёр зэрэгцээ шугам огтлолцох үед᠃ ᠬᠠᠨᠳᠤᠭᠰᠠᠨ 2021/02/18
↑ Andrew G. Bennett. Hyperbolic Geometry - Triangles, Angles, and Area. ᠬᠠᠨᠳᠤᠭᠰᠠᠨ 2021/02/20

[1] Орон зайн муруйлт ба цаг хугацааны гажилт᠃ ᠬᠠᠨᠳᠤᠭᠰᠠᠨ 2021/02/18

[2] Хоёр зэрэгцээ шугам огтлолцох үед᠃ ᠬᠠᠨᠳᠤᠭᠰᠠᠨ 2021/02/18

[3] А.М.Прохоров и др. Советский энциклопедический словарь. ©Издательство “Советская энциклопедия”. Москва 1989

[4] Andrew G. Bennett. Hyperbolic Geometry - Triangles, Angles, and Area. ᠬᠠᠨᠳᠤᠭᠰᠠᠨ 2021/02/20

[1]

[2]

[3]

[4]

@@ 1-р мөр: / 1-р мөр: @@
 <div style="max-height: 80vh; writing-mode: vertical-lr; font-family: 'Noto Sans Mongolian'">
 = ᠯᠣᠪᠠᠴᠧᠹᠰᠻᠢ ‍ᠢᠢᠨ ᠭᠧᠣᠮᠧᠲ᠋ᠧᠷ =
-ᠯᠣᠪᠠᠴᠧᠹᠰᠻᠢ<sup>Лобачевский</sup> ᠮᠠᠨ ᠤ ᠶᠢᠷᠲᠢᠨᠴᠦ ᠳ᠋ᠦ ᠧᠦ᠋ᠻ᠊ᠯᠢᠳ᠋  ᠦᠨ ᠬᠠᠪᠲᠠᠭᠠᠢ ᠭᠧᠣᠮᠧᠲ᠋ᠧᠷ<sup>geometry</sup>᠂ ᠮᠤᠷᠤᠶ᠋ᠢᠯᠲᠠ ᠲᠠᠢ ᠭᠧᠣᠮᠧᠲ᠋ᠧᠷ ᠬᠣᠶᠠᠷ  ᠤᠨ ᠠᠯᠢ ᠨᠢ ᠪᠣᠳᠠ ᠲᠠᠢ ᠲᠣᠬᠢᠷᠠᠬᠤ ᠪᠤᠢ ᠭᠡᠰᠡᠨ ᠠᠰᠠᠭᠤᠯᠲᠠ ᠳᠡᠪᠰᠢᠭᠦᠯᠵᠡᠢ᠃<ref>http://tesseract-club.blogspot.com/2011/09/blog-post.html Орон зайн муруйлт ба цаг хугацааны гажилт᠃ ᠬᠠᠨᠳᠤᠭᠰᠠᠨ 2021/02/18</ref>  <br>
+ᠯᠣᠪᠠᠴᠧᠹᠰᠻᠢ<sup>Лобачевский</sup> ᠮᠠᠨ ᠤ ᠶᠢᠷᠲᠢᠨᠴᠦ ᠳ᠋ᠦ ᠧᠦ᠋ᠻ᠊ᠯᠢᠳ᠋  ᠦᠨ ᠬᠠᠪᠲᠠᠭᠠᠢ ᠭᠧᠣᠮᠧᠲ᠋ᠧᠷ<sup>geometry</sup>᠂ ᠮᠤᠷᠤᠶ᠋ᠢᠯᠲᠠ ᠲᠠᠢ ᠭᠧᠣᠮᠧᠲ᠋ᠧᠷ ᠬᠣᠶᠠᠷ  ᠤᠨ ᠠᠯᠢ ᠨᠢ ᠪᠣᠳᠠ ᠲᠠᠢ ᠲᠣᠬᠢᠷᠠᠬᠤ ᠪᠤᠢ ᠭᠡᠰᠡᠨ ᠠᠰᠠᠭᠤᠯᠲᠠ ᠳᠡᠪᠰᠢᠭᠦᠯᠵᠡᠢ᠃<ref>[http://tesseract-club.blogspot.com/2011/09/blog-post.html Орон зайн муруйлт ба цаг хугацааны гажилт᠃] ᠬᠠᠨᠳᠤᠭᠰᠠᠨ 2021/02/18</ref>  <br>
 ᠡᠭᠦᠪᠡᠷ ‍ᠢᠢᠡᠨ ᠧᠦ᠋ᠻ᠊ᠯᠢᠳ᠋<sup>Euclid</sup>  ‍ᠦᠨ ᠪᠤᠰᠤ ᠭᠧᠣᠮᠧᠲ᠋ᠧᠷ ‍ᠢ ᠦᠨᠳᠦᠰᠦᠯᠡᠵᠦᠬᠦᠢ᠃
@@ 14-р мөр: / 14-р мөр: @@
 }}
 <br>
-'''ᠲᠤᠬᠠᠢ ‍ᠢᠢᠨ ᠰᠢᠯᠠᠭᠤᠨ ᠪᠠ ᠲᠡᠭᠦᠨ ᠳ᠋ᠤ ᠦᠯᠦ ᠬᠠᠷᠢᠶᠠᠯᠠᠭᠳᠠᠬᠤ ᠴᠡᠭ ‍ᠦᠨ ᠣᠷᠣᠰᠢᠵᠤ ᠪᠠᠢᠢᠭ᠎ ‍ᠠ᠋ ᠬᠠᠪᠲᠠᠭᠠᠢ ᠳ᠋ᠤ ᠲᠡᠷᠡ ᠴᠡᠭ ‍ᠢᠢ ᠳᠠᠭᠠᠷᠢᠭᠤᠯᠤᠨ ᠲᠤᠬᠠᠢ ‍ᠢᠢᠨ ᠰᠢᠯᠠᠭᠤᠨ ᠲᠠᠢ ᠦᠯᠦ ᠣᠭᠲᠠᠯᠠᠯᠴᠠᠬᠤ ᠨᠢᠭᠡ ᠡᠴᠡ ᠣᠯᠠᠨ ᠰᠢᠯᠠᠭᠤᠨ ᠲᠠᠲᠠᠵᠤ ᠪᠣᠯᠤᠨ᠎ ‍ᠠ᠋'''᠃<ref>https://unistomlg.ru/mn/na-dne/gde-peresekayutsya-dve-parallelnye-pryamye-skolko Хоёр зэрэгцээ шугам огтлолцох үед᠃ ᠬᠠᠨᠳᠤᠭᠰᠠᠨ 2021/02/18</ref>
+'''ᠲᠤᠬᠠᠢ ‍ᠢᠢᠨ ᠰᠢᠯᠠᠭᠤᠨ ᠪᠠ ᠲᠡᠭᠦᠨ ᠳ᠋ᠤ ᠦᠯᠦ ᠬᠠᠷᠢᠶᠠᠯᠠᠭᠳᠠᠬᠤ ᠴᠡᠭ ‍ᠦᠨ ᠣᠷᠣᠰᠢᠵᠤ ᠪᠠᠢᠢᠭ᠎ ‍ᠠ᠋ ᠬᠠᠪᠲᠠᠭᠠᠢ ᠳ᠋ᠤ ᠲᠡᠷᠡ ᠴᠡᠭ ‍ᠢᠢ ᠳᠠᠭᠠᠷᠢᠭᠤᠯᠤᠨ ᠲᠤᠬᠠᠢ ‍ᠢᠢᠨ ᠰᠢᠯᠠᠭᠤᠨ ᠲᠠᠢ ᠦᠯᠦ ᠣᠭᠲᠠᠯᠠᠯᠴᠠᠬᠤ ᠨᠢᠭᠡ ᠡᠴᠡ ᠣᠯᠠᠨ ᠰᠢᠯᠠᠭᠤᠨ ᠲᠠᠲᠠᠵᠤ ᠪᠣᠯᠤᠨ᠎ ‍ᠠ᠋'''᠃<ref>[https://unistomlg.ru/mn/na-dne/gde-peresekayutsya-dve-parallelnye-pryamye-skolko Хоёр зэрэгцээ шугам огтлолцох үед]᠃ ᠬᠠᠨᠳᠤᠭᠰᠠᠨ 2021/02/18</ref>
 ᠡᠨᠡ ᠪᠣᠯ ᠯᠣᠪᠠᠴᠧᠣᠰᠻᠢ ‍ᠢᠢᠨ ᠳᠡᠪᠰᠢᠭᠦᠯᠦᠭᠰᠡᠨ ᠫᠣᠰᠲ᠋ᠦ᠋ᠯᠠᠲ<sup>postulate</sup>᠃
@@ 44-р мөр: / 44-р мөр: @@
 ᠨᠢᠭᠡᠨ ᠲᠾᠧᠣᠷᠧᠮ ᠨᠢ ᠭᠤᠷᠪᠠᠯᠵᠢᠨ ‍ᠤ <math>\alpha</math>᠂ <math>\beta</math>᠂ <math>\gamma</math> ᠥᠨᠴᠦᠭ ‍ᠦᠳ ‍ᠦᠨ ᠨᠡᠢᠢᠯᠡᠪᠦᠷᠢ ᠲᠡᠭᠰᠢ ᠥᠨᠴᠦᠭ ᠡᠴᠡ ᠢᠠᠮᠠᠭᠲᠠ ᠪᠠᠭ᠎ ‍ᠠ᠋ ᠪᠠᠢᠢᠨ᠎ ‍ᠠ᠋ ᠭᠡᠳᠡᠭ᠃
-ᠲᠡᠭᠰᠢ ᠥᠨᠴᠦᠭ ᠪᠠ ᠭᠤᠷᠪᠠᠯᠵᠢᠨ ‍ᠤ ᠥᠨᠴᠦᠭ ‍ᠦᠳ ‍ᠦᠨ ᠨᠡᠢᠢᠯᠡᠪᠦᠷᠢ ‍ᠢᠢᠨ ᠢᠯᠭᠠᠭ᠎ ‍ᠠ᠋ ᠭᠤᠷᠪᠠᠯᠵᠢᠨ ‍ᠤ ᠳ᠋ᠧᠹᠧᠻᠲ ᠭᠡᠨ᠎ ‍ᠡ᠋᠃<ref>https://www.maa.org/press/periodicals/loci/joma/hyperbolic-geometry-triangles-angles-and-area Andrew G. Bennett. Hyperbolic Geometry - Triangles, Angles, and Area. ᠬᠠᠨᠳᠤᠭᠰᠠᠨ 2021/02/20</ref>
+ᠲᠡᠭᠰᠢ ᠥᠨᠴᠦᠭ ᠪᠠ ᠭᠤᠷᠪᠠᠯᠵᠢᠨ ‍ᠤ ᠥᠨᠴᠦᠭ ‍ᠦᠳ ‍ᠦᠨ ᠨᠡᠢᠢᠯᠡᠪᠦᠷᠢ ‍ᠢᠢᠨ ᠢᠯᠭᠠᠭ᠎ ‍ᠠ᠋ ᠭᠤᠷᠪᠠᠯᠵᠢᠨ ‍ᠤ ᠳ᠋ᠧᠹᠧᠻᠲ ᠭᠡᠨ᠎ ‍ᠡ᠋᠃<ref>[https://www.maa.org/press/periodicals/loci/joma/hyperbolic-geometry-triangles-angles-and-area Andrew G. Bennett. Hyperbolic Geometry - Triangles, Angles, and Area.] ᠬᠠᠨᠳᠤᠭᠰᠠᠨ 2021/02/20</ref>
 ᠭᠤᠷᠪᠠᠯᠵᠢᠨ ‍ᠤ ᠲᠠᠯᠠᠪᠠᠢ ᠨᠢ ᠳᠠᠷᠠᠭᠠᠬᠢ ᠪᠠᠢᠢᠳᠠᠯ ‍ᠢᠢᠠᠷ ᠲᠣᠭᠠᠴᠠᠭᠠᠯᠠᠭᠳᠠᠨ᠎ ‍ᠠ᠋᠄  <br><br>
@@ 56-р мөр: / 56-р мөр: @@
 </span><br><br>
-ᠪᠠᠰᠠ ᠨᠢᠭᠡ ᠲᠧᠣᠷᠧᠮ ᠨᠢ "ᠬᠣᠶᠠᠷ ᠲᠥᠰᠦᠲᠠᠢ ᠭᠤᠷᠪᠠᠯᠵᠢᠨ ‍ᠣ ᠲᠠᠯᠠᠪᠠᠢ ᠲᠡᠩᠴᠡᠭᠦᠦ ᠪᠠᠢᠢᠨ᠎ ‍ᠠ᠋" ᠬᠡᠮᠡᠨ᠎ ‍ᠡ᠋᠃  ᠥᠭᠡᠷ ‍ᠡ᠋ ‍ᠢᠢᠡᠷ ᠬᠡᠯᠡᠪᠡᠯ ᠲᠥᠰᠦᠲᠠᠢ ᠭᠤᠷᠪᠠᠯᠵᠢᠨ ᠨᠤᠭᠤᠳ ᠻᠣᠨ᠍ᠭ᠌ᠷᠦ᠋ᠧᠨ᠍ᠲ<sup>congruent</sup> ᠪᠠᠢᠢᠨ᠎ ‍ᠠ᠋᠃ <br><br>
+ᠪᠠᠰᠠ ᠨᠢᠭᠡ ᠮᠥᠷᠳᠡᠯᠭᠡ ᠨᠢ "ᠬᠣᠶᠠᠷ ᠲᠥᠰᠦᠲᠠᠢ ᠭᠤᠷᠪᠠᠯᠵᠢᠨ ‍ᠣ ᠲᠠᠯᠠᠪᠠᠢ ᠲᠡᠩᠴᠡᠭᠦᠦ ᠪᠠᠢᠢᠨ᠎ ‍ᠠ᠋" ᠬᠡᠮᠡᠨ᠎ ‍ᠡ᠋᠃  ᠥᠭᠡᠷ ‍ᠡ᠋ ‍ᠢᠢᠡᠷ ᠬᠡᠯᠡᠪᠡᠯ ᠲᠥᠰᠦᠲᠠᠢ ᠭᠤᠷᠪᠠᠯᠵᠢᠨ ᠨᠤᠭᠤᠳ ᠻᠣᠨ᠍ᠭ᠌ᠷᠦ᠋ᠧᠨ᠍ᠲ<sup>congruent</sup> ᠪᠠᠢᠢᠨ᠎ ‍ᠠ᠋᠃
+ᠡᠨᠡ ᠮᠡᠲᠦ ᠪᠡᠷ ᠯᠣᠪᠠᠴᠧᠹᠰᠻᠢ ‍ᠢᠢᠨ ᠭᠧᠣᠮᠧᠲ᠋ᠧᠷ ‍ᠦᠨ ᠮᠥᠷᠳᠡᠯᠭᠡ ᠨᠦᠭᠦᠳ ᠬᠡᠳᠦᠢ ᠡᠲᠡᠭᠡᠳ ᠭᠠᠵᠢ᠂ ᠫᠠᠷᠠᠳᠣᠻᠰ<sup>paradox</sup> ᠶᠤᠮ ᠰᠢᠭ ᠪᠣᠯᠪᠠᠴᠤ ᠤᠯᠠᠮᠵᠢᠯᠠᠯᠲᠤ ᠭᠧᠣᠮᠧᠲ᠋ᠧᠷ ᠲᠡᠢ ᠪᠦᠷᠢᠨ ᠠᠳᠠᠯᠢ ᠡᠷᠬᠡ ᠲᠡᠢ ᠠᠵᠡᠢ᠃
+ᠰᠢᠨ᠎ ‍ᠡ᠋ ᠭᠧᠣᠮᠧᠲ᠋ᠧᠷ ᠨᠢ ᠣᠷᠤᠨ ᠵᠠᠢ ‍ᠢᠢᠨ ᠮᠥᠨ ᠴᠢᠨᠠᠷ ‍ᠤᠨ ᠲᠤᠬᠠᠢ ᠣᠢᠢᠯᠠᠭᠠᠯᠲᠠ ‍ᠳᠤ ᠰᠠᠭᠤᠷᠢ ᠥᠭᠡᠷᠡᠴᠢᠯᠡᠯᠲᠡ ‍ᠢᠢ ᠠᠪᠴᠢᠷᠠᠭᠰᠠᠨ ᠪᠠᠢᠢᠨ᠎ ‍ᠠ᠋᠃<br><br>
 == ᠨᠡᠷ ‍ᠡ᠋ ᠲᠣᠮᠢᠶᠠᠯᠠᠯ ==