ADJACENT SIDES Any two sides with a common endpoint (vertex) are called the adjacent sides of the polygon.

Adjacent sides two sides of a quadrilateral are called its adjacent sides if they have a common endpoint.

Adjacent sides two sides of a quadrilateral are called its adjacent sides if they have a common endpoint.

Diagonal joins any two adjacent vertices of a polygon .

Draw an octagon ABCDEFGH and name all the sides, adjacent sides and vertices as well as the diagonals of the polygon.

Adjacent sides and Opposite sides

Name the quadrilateral formed in which two parallel of adjacent sides are of the same length.

ADJACENT VERTICES The end-point of the same sides of a polygon are known as the adjacent vertices.