Why WWE Wrestling ring is square?

 

Have you ever ask your self why WWE Wrestling ring is square ?

What is WWE?

-World Wrestling Entertainment is an American integrated media company that is famous for professional wrestling and interested also in other fields like cinema by creating movies, football, and various other business projects.
The WWE name also mentions to the professional wrestling promotion founded in the 1950s as the Capitol Wrestling Corporation.
It is the largest wrestling promotion in the world, holding over 500 events a year, with the roster primarily divided up into three globally traveling brands, and is available to about 36 million viewers in more than 150 countries. The company's global headquarters is located in Stamford, Connecticut, about 30 miles from New York City, with offices in major cities around the world.

Wrestling ring structure:

the building and structure of the wrestling ring -traditionalist- look like a boxing ring but a wrestling ring surrounded by three ropes but they do not bind together 
-wrestling ring formed from a high iron building, covered with stone foam and the ropes do not surround the ring Heavily but there is space between the mat and the foam and under the ring covered with cloth to district the opacity under the ring and at every corner, there are iron sticks binds with ropes and covered with sponge
WWE (World Wrestling Entertainment) uses a 20-foot high wrestling ring And the bottom of the ring is filled with all kinds of weapons.

The Types of wrestling rings:-

The traditional rings has four corners, while in developed arenas such as Total Non Stop Action Wrestling (TNA), the arena consists of 6 corners.