Perimeter is the total distance around the outside of a shape. It's the length of all the sides of a shape added together. To find the perimeter, simply add up the measurements of each side of the shape.

Perimeter is used in many real-life situations, like when you're measuring the length of a fence around a yard, or the edge of a playground. It helps us understand the boundary of an object or space.

Examples:

Example 1: Perimeter of a Square
A square has four equal sides. If each side of the square is 5 units long, the perimeter is the sum of all four sides: 5 + 5 + 5 + 5 = 20 units.

Example 2: Perimeter of a Rectangle
A rectangle has two pairs of opposite sides that are equal in length. If the length is 8 units and the width is 3 units, the perimeter is calculated by adding the lengths of all four sides: 8 + 3 + 8 + 3 = 22 units.

Understanding perimeter is important in both geometry and daily life, helping you calculate distances and sizes for various objects and spaces.

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