
Polygonal Fort
A polygonal fort is a type of military defensive structure designed in a geometric shape with many straight sides, called polygons. Its shape allows for better defense, as the angles provide wide, unobstructed views of approaching enemies and multiple sides for firearms or cannons. These forts emerged in the 19th century, replacing older, more rounded designs, and are often made of concrete or brick. Their polygonal shape enhances defensive angles and minimizes blind spots, making them more difficult for attackers to approach and breach. Overall, they combine strategic design with durable construction for effective military defense.