also: たかっけい
Geometry term for a closed plane figure with three or more straight sides.
A triangle is the simplest polygon.
Find the sum of the interior angles of this polygon.
convex polygon
concave polygon; non-convex polygon
regular polygon
star polygon; stellated polygon
Standard kanji spelling; the reading たかくけい is the most common.
Alternate reading; less common but still encountered.
From 多 (many) + 角 (angle) + 形 (shape).