A diagonal is a line segment that joins any two vertices of the polygon and is not a side of the polygon. Draw a rough sketch of a pentagon and draw its diagonals.
Draw a rough sketch of a regular octagon. Draw a rectangle by joining exactly four of the vertices of the octagon.
Draw a rough sketch of a regular hexagon. Connecting any three of its vertices, draw a triangle. Identify the type of the triangle you have drawn.
Name each polygon.
Examine whether the following are polygons. If any one among them is not, say why?