Question

A closed figure whose all sides and all angles are equal

Answer 1

Equilateral triangle with 3 equal sides and 3 equal angles
Square with 4 equal sides and 4 equal angles
Regular Pentagon
Regular hexagon and so on

Answer 2

Hi There!

A closed figure , whose all sides and angles are equal is known as a Regular Polygon.

Examples of regular polygon include , Equilateral Triangle, square, regular Pentagon , regular Hexagon , regular heptagon , regular octagon and so on.
_____________________________