Name each Polygon, (c )

Name each Polygon, (b)

Name each Polygon, (a)

Name each Polygon, (d)

What is a regular polygon?State the name of a regular polygon of: (a) 3 sides (b) 4 sides (c)5 sides.

Given here are some figures.Classify each of them on the basis of the following:(a)Simple curve (b) Simple closed curve (c)I polygon (d)Convex polygon (d)concave polygon.

Find the measure of each extrerior angle of a regular polygon of: (a)9 sides (b) 15 sides.

In a polygon the number of diagonals is 54. The number of sides of the polygon, is

In a polygon, no three diagonals are concurrent. If the total number of points of intersection of diagonals interior to the polygon is 70, then the number of diagonals of the polygon is

In a polygon the number of diagonals 77. Find the number of sides of the polygon.