• (Tokyo)せーさんかくけー[sèésáńkáꜜkùkèè] (Nakadaka – [5])^[1][2]
• IPA^(key): [se̞ːsã̠ŋka̠kɯ̟ke̞ː]

正(せい)三(さん)角(かく)形(けい)• (sei sankakukei) 

1. (geometry)equilateral triangle

   正三角形(せいさんかくけい)の辺(へん)は同(おな)じ長(なが)さだ。

   Sei sankakukei no hen wa onaji nagasa da.

   The sides of anequilateral triangle are the same length.

• 三角形(さんかくけい)(sankakukei,“triangle”)
• 三角(さんかく)(sankaku,“triangle”)
• 多角形(たかくけい)(takakukei,“polygon”)

• Japanese terms spelled with 正 read as せい
• Japanese terms spelled with 三 read as さん
• Japanese terms spelled with 角 read as かく
• Japanese terms spelled with 形 read as けい
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• ja:Geometry
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