🌐日本語EnglishEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTiếng ViệtTürkçeРусскийالعربيةفارسی中文日本語EntityQ864413· pop 36余角Also known as 2D Angles, complement角の和が90度である2つの角Available in 35 languagesEspañolFrançais中文РусскийPortuguêsItalianoالعربيةAlbanianAsturianBasqueConnectionsangleEntity