also: ろっかくけい
Geometric term for a six-sided polygon. Used in mathematics and everyday descriptions of shapes.
This box has a hexagonal shape.
The sum of the interior angles of a hexagon is 720 degrees.
Standard kanji spelling. The reading ろっかっけい is the most common pronunciation.
Alternate reading, less common but still used.
Compound of 六 (roku, 'six') + 角 (kaku, 'angle') + 形 (kei, 'shape'). The reading ろっかっけい results from gemination (促音便) of く to っ before か.