What is the minimum number of sides of a polygon?

IF a polygon has 35 diagonals , then the number of sides of the polygon is

If the number of sides of a polygonal base of a regular pyramid are infinitely increased what would be the shape of the pyramid?

Count the number of sides of the polygons given below and name them:

Count the number of sides of the polygons given below and name them:

Count the number of sides of the polygons given below and name them:

Count the number of sides of the polygons given below and name them.