等角三角形 とうかくさんかくけい Also written とうかくさんかっけい Meanings Noun equiangular triangle; equilateral triangle; regular triangle See also: 正三角形 (せいさんかくけい). Kanji 等 equal. Read as トウ. 角 angle. Read as カク. 三 three. Read as サン. 形 shape. Read as ケイ. Jinuma: Japanese Dictionary · Word lists