Polygon Meaning
/ˈpɒlɪɡən/Definition, CEFR level B2, pronunciation, examples, and quiz.
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Definition
nounA plane figure bounded by edges that are all straight lines.
nounThe boundary of such a figure.
Sentence Examples
Each face of a polyhedron is a polygon.
A nonagon, sometimes called an enneagon, is a polygon with nine sides.
CEFR Practice Quiz
In geometry, a ____ is a plane figure with at least three straight sides and angles.
CEFR Practice Quiz (Alternate)
A hexagon is a ____ with six sides and six interior angles that sum to seven hundred twenty degrees.
Word Origin & History
From Ancient Greek πολύγωνον (polúgōnon), from πολύς (polús, “many”) + γωνία (gōnía, “angle”), equivalent to poly- + -gon.
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CEFR Practice Quiz
In geometry, a ____ is a plane figure with at least three straight sides and angles.
CEFR Practice Quiz (Alternate)
A hexagon is a ____ with six sides and six interior angles that sum to seven hundred twenty degrees.