正せい三さん角かく形けい

also: せいさんかっけい

せ

い

さ

ん

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Freq.FrequencyTop 100,000

Meanings

1

equilateral triangle; regular triangle

Geometry term for a triangle with three equal sides and angles.

度ど

です

。

All interior angles of an equilateral triangle are 60 degrees.

この図ず形けいは正せい三さん角かく形けいですか？

Is this shape an equilateral triangle?