For example it is the sum of the lengths of each side of polygon.For circles and ellipses, it is called the circumference. Definition and meaning of the math word perimeter. The term may be used either for the path, or its length—in one dimension. You must have learned about different shapes such as triangle, square, rectangle, circle, sphere, etc. In antiquity when they were building temples with columns the columns were made up of cylindrical slices stacked one on top of the other. It can be thought of as the length of the outline of a shape. perimeter meaning: 1. the outer edge of an area of land or the border around it: 2. the length of the outer edge of a…. The perimeter of a circle or ellipse is called its circumference. This is applicable for any shape and size whether it is regular or irregular. Area and Perimeter is an important topic in Mathematics, which is used in everyday life. The green outline shows the perimeter of the door.

Two sides of the door are labelled: one is 8 inches, and one is 4 inches.

A perimeter is a path that encompasses/surrounds a two-dimensional shape. Calculating the perimeter has several practical applications. In mathematics, the perimeter is the distance around a two-dimensional shape. Because the door is a rectangle, we know that opposite sides are equal. See more. Perimeter is a Greek term that means “measure around” and originates from the ancient Greek world of construction. The distance around the edge of a figure or shape. Learn more. Perimeter definition, the border or outer boundary of a two-dimensional figure. Perimeter.