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.

Draw the following A rectangle with adjacent sides of lengths 5 cm and 4 cm.

Adjacent sides and Opposite sides

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

Convex polygon a polygon p_(1)p_(2)p_(3)...p_(n) is called a convex polygon if for each side of the polygon the line containing that side has all the other vertices of the polygon on the same side of it.

Consider a regular polygon with 10 sides, What is the number of triangles that can be formed by joining the vertices which have no common side with any of the sides of the polygon?

Draw a quadrilateral XYZW and name the pairs of adjacent sides.

If vecaandvecb are adjacent sides of a rhombus, then veca.vecb=0 .

Square a square is a rectangle with a pair of equal adjacent sides.