Question

Quadrilateral defination​

Answer 1

Step-by-step explanation:

A quadrilateral is a polygon in Euclidean plane geometry with four edges and four vertices. Other names for quadrilateral include quadrangle, tetragon, and 4-gon. A quadrilateral with vertices A, B, C and D is sometimes denoted as {\displaystyle \square ABCD}.

Answer 2

Easy method

A quadrilateral is a polygon that has exactly four sides. (This also means that a quadrilateral has exactly four vertices, and exactly four angles.)

Long method

A quadrilateral is a polygon in Euclidean plane geometry with four edges and four vertices. Other names for quadrilateral include quadrangle, tetragon, and 4-gon. A quadrilateral with vertices A, B, C and D is sometimes denoted as {\displaystyle \square ABCD}.

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