~邊+形狀的問題~

Q.
四邊形英文叫square/polygon三角形英文叫triangle兩邊和一邊形英文叫??

A. 你好! 一邊形英文叫henagon (or monogon), 兩邊形英文叫digon.
希望幫到你!
圖片參考：http://l.yimg.com/f/i/tw/ugc/rte/smiley_1.gif


其他的:

Name Edges Remarkshenagon (or monogon)1In the Euclidean plane, degenerates to a closed curve with a single vertex point on it.digon2In the Euclidean plane, degenerates to a closed curve with two vertex points on it.triangle (or trigon)3The simplest polygon which can exist in the Euclidean plane.quadrilateral (or quadrangle or tetragon)4The simplest polygon which can cross itself.pentagon5The simplest polygon which can exist as a regular star. A star pentagon is known as a pentagram or pentacle.hexagon6avoid "sexagon" = Latin [sex-] + Greekheptagon7avoid "septagon" = Latin [sept-] + Greekoctagon8enneagon or nonagon9"nonagon" is commonly used but mixes Latin [novem = 9] with Greek. Some modern authors prefer "enneagon".decagon10hendecagon11avoid "undecagon" = Latin [un-] + Greekdodecagon12avoid "duodecagon" = Latin [duo-] + Greektridecagon (or triskaidecagon)13tetradecagon (or tetrakaidecagon)14pentadecagon (or quindecagon or pentakaidecagon)15hexadecagon (or hexakaidecagon)16heptadecagon (or heptakaidecagon)17octadecagon (or octakaidecagon)18enneadecagon (or enneakaidecagon or nonadecagon)19icosagon20tricontagon30No established English name100"hectogon" is the Greek name (see hectometre), "centagon" is a Latin-Greek hybrid; neither is widely attested.

ash******@rocketmail.com所答帶有曲線的半圓及圓形

雖然不太科學,但很有創意。

如果真的要形成二邊形和一邊形
他們頂多分別只是一條直線和一點而已
並不是ash******@rocketmail.com所答帶有曲線的半圓及圓形

以我所知,是有的,不過忘了!

哪有兩邊形和一邊形？