In geometry, the perimeter of a shape is defined as the total length of its boundary. The perimeter of a shape is determined by adding the length of all the sides and edges enclosing the shape.
Perimeter is the total length of the boundary of any closed shape. Explore and learn with concepts, definitions, formulas, solved examples, and practice questions at Cuemath.
A perimeter is the length of a closed boundary that encompasses, surrounds, or outlines either a two-dimensional shape or a one-dimensional line. The perimeter of a circle or an ellipse is called its circumference. Calculating the perimeter has several practical applications.
Definition: In math, the perimeter of a shape is the total distance around the outer boundary of the shape. Another way to describe the perimeter of a figure is the total measured length of the outline of the shape. Note that perimeter applies to two-dimensional shapes including triangles, rectangles, squares, etc.
Perimeter measures the distance around a shape, while area measures the space inside the shape. Perimeter is one-dimensional (measured in units of length), while area is two-dimensional (measured in square units, like cm², m², etc.).
In other words, perimeter is the total length of the border/edge of any closed shape object. For example, the below image shows a rectangular football pitch. The perimeter here would be the total length surrounding the pitch, i.e, the sum of the lengths of its four sides.
In geometry, the perimeter of a shape is defined as the total length of its boundary. The perimeter of a shape is determined by adding the length of all the sides and edges enclosing the shape. It is measured in linear units of measurement like centimeters, meters, inches, or feet.
The perimeter is the total length or distance around a two dimensional shape. In the figure below, the perimeter of each shape is the sum of the lengths of each side, shown in red.
Perimeter is a simple yet essential concept in geometry that helps us measure the boundaries of various shapes. Whether it's a rectangle, square, triangle, or even a circle, knowing how to calculate the perimeter is a valuable skill that applies to many practical situations.