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Kotomora

等とう角かく三さん角かく形けい

also: とうかくさんかっけい

Meanings

1

noun

equiangular triangle; equilateral triangle; regular triangle

Geometric term for a triangle with all angles equal (and thus all sides equal). Essentially synonymous with 正三角形, though 等角三角形 emphasizes angle equality.

See also: 正三角形