Adjacent sides any two sides with a common endpoint(vertex)are called the adjacent sides of the polygon.

Adjacent sides and Opposite sides

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.

Adjacent angles two angles of a quadrilateral are called adjacent angles if they have a common side as arm.

Adjacent angles two angles of a quadrilateral are called adjacent angles if they have a common side as an arm.

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?

Name each of the following parallelograms: (i) The diagonals are equal and the adjacent sides are unequal. (ii) The diagonals are equal and the adjacent sides are equal. (iii) The diagonals are unequal and the adjacent sides are equal.

Opposite sides two sides of a quadrilateral are called its opposite sides if they do not have a common endpoint.

Opposite sides two sides of a quadrilateral are called its opposite sides if they do not have a common endpoint.

Consider a polygon of sides 'n' which satisfies the equation 3*.^(n)P_(4)=.^(n-1)P_(5) . Q. Number of quadrilaterals that can be made using the vertices of the polygon of sides 'n' if exactly two adjacent sides of the quadrilateral are common to the sides of the n-gon is