Meaning & use
quadrilateral
A polygon with exactly four sides and four angles.
See it in a sentence
Squares, rectangles, and trapezoids are all examples of a quadrilateral.
Students were asked to calculate the area of an irregular quadrilateral drawn on the board.
A note on using this word
The interior angles of any quadrilateral always add up to 360 degrees, regardless of its shape.
Words with a similar meaning
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