Last updated on July 29th, 2025
The perimeter of a shape is the total length of its boundary. For a cube, the perimeter is the sum of the lengths of all its edges. Perimeter is used in various practical applications, such as construction and design. In this topic, we will learn about the perimeter of a cube.
The perimeter of a cube is the total length of its 12 edges. By adding the length of all the edges, we get the perimeter of the shape. The formula for the perimeter of a cube is π· = 12π, where π is the length of an edge of the cube. For instance, if a cube has an edge length of 4, then its perimeter is π· = 12 Γ 4 = 48.
Letβs consider another example of a cube with an edge length of 5. So the perimeter of the cube will be: π· = 12π = 12 Γ 5 = 60.
To find the perimeter of a cube, apply the formula and multiply the edge length by 12. For instance, a cube with an edge of length 3 has a perimeter = 12 Γ 3 = 36 cm. Example Problem on Perimeter of Cube - To find the perimeter of a cube, use the formula π· = 12π. For example, letβs say π = 6 cm. Now, the perimeter = 12 Γ 6 = 72 cm. Therefore, the perimeter of the cube is 72 cm.
Learning some tips and tricks makes it easier for children to calculate the perimeter of cubes. Here are some tips and tricks given below: Always remember that a cube's perimeter is simply the sum of all its edges. For that, use the formula, π· = 12π. Calculating the perimeter of a cube starts by determining the length of one edge. Once you have that, simply multiply it by 12 to get the total perimeter. To reduce confusion, ensure you have the correct edge length before applying the formula for a group of cubes. To avoid mistakes when calculating the perimeter, make sure the edge lengths are precise and consistent for common uses like building and design. If you are given the total surface area or volume of a cube, you can find the edge length first and then use it to calculate the perimeter.
Did you know that while working with the perimeter of a cube, children might encounter some errors or difficulties? We have many solutions to resolve these problems. Here are some given below:
A cube-shaped room has an edge length of 8 meters. What is the perimeter of the room?
The perimeter of the room is 96 meters.
The edge length of the cube is π = 8 meters. Using the formula for the perimeter of a cube: π· = 12π π· = 12 Γ 8 = 96 meters. Therefore, the perimeter of the room is 96 meters.
A jewelry box is in the shape of a cube with an edge length of 15 cm. Calculate the perimeter of the box.
The perimeter of the jewelry box is 180 cm.
The edge length of the cube is π = 15 cm. Using the formula for the perimeter of a cube: π· = 12π π· = 12 Γ 15 = 180 cm. Therefore, the perimeter of the jewelry box is 180 cm.
Find the perimeter of a cube with an edge length of 7 cm.
84 cm
Perimeter of a cube = 12π π· = 12 Γ 7 = 84 cm. Therefore, the perimeter of the cube is 84 cm.
A small cube-shaped package has an edge length of 10 inches. How much tape is needed to wrap around the edges of the package?
120 inches of tape is needed.
The edge length of the cube is π = 10 inches. Using the formula for the perimeter of a cube: π· = 12π π· = 12 Γ 10 = 120 inches. Therefore, 120 inches of tape is needed to wrap around the package.
Find the perimeter of a cube where each edge measures 9 meters.
Perimeter = 12π = 12 Γ 9 = 108 meters.
Each edge of the cube measures 9 meters. The entire distance around the cube is calculated as 108 meters by multiplying the edge length by 12.
Perimeter: The total length of the edges of a shape. Cube: A three-dimensional shape with six equal square faces and 12 equal edges. Edge: A line segment where two faces of a three-dimensional shape meet. Formula of perimeter: The mathematical expression used to calculate the perimeter of a cube is π· = 12π. Surface Area: The total area of the six faces of a cube.
Seyed Ali Fathima S a math expert with nearly 5 years of experience as a math teacher. From an engineer to a math teacher, shows her passion for math and teaching. She is a calculator queen, who loves tables and she turns tables to puzzles and songs.
: She has songs for each table which helps her to remember the tables