Swift Program to calculate the area of Cube

This tutorial will discuss how to write a Swift program to find the area of the cube.

A cube is solid three dimensional shape with six square faces and all the sides of the cube are of equal length(that means Length = Breadth = Width). It is also known as regular hexahedron.

The area of a cube is known as the total space enclosed inside the boundaries of the cube. The area of cube is of two types-

• Total surface area
• Lateral surface area

Total Surface Area

The total area occupied by all the six faces of the cube is known as the total surface area of the cube.

Formula

Following is the formula of the total surface area of the cube −

Area = 6(side)2

Below is a demonstration of the same.

Input

Suppose our given input is −

Side = 5

Output

The desired output would be −

Area = 6 * (5)2 = 150.
Area = 150

Algorithm

Following is the algorithm.

• Step 1 − Declare a variable with user-defined/pre-defined value. This variable stores the side of the cube.

• Step 2 − Declare another variable named “cubeArea” to store the surface area of the cube.

var cubeArea = 6 * (cubeSide * cubeSide)

• Step 3 − Print the output.

Example 

The following program shows how to find the total surface area of the cube.

import Foundation 
import Glibc

var cubeSide : Int = 7

// Finding the total surface area of cube
var cubeArea = 6 * (cubeSide * cubeSide)

print("Side - ", cubeSide) 
print("So, Area of the cube- ", cubeArea)

Output

Side -  7
So, Area of the cube-  294

Here in the above code, we calculate the total surface area of the cube using the following formula −

var cubeArea = 6 * (cubeSide * cubeSide)

And display the output that is 294.

Lateral Surface area

The total area occupied by the side or lateral faces of a cube is known as the lateral surface area.

Formula

Following is the formula of the lateral surface area of the cube −

Area = 4(side)2

Below is a demonstration of the same −

Input

Suppose our given input is −

Side = 3

Output

The desired output would be −

Area = 4 * (3)2 = 36.
Area = 36

Algorithm

Following is the algorithm −

• Step 1 − Declare a variable with user-defined/pre-defined value. This variable stores the side of the cube.

• Step 2 − Declare another variable named “cubeArea” to store the lateral area of the cube.

var cubeArea = 4 * (pow(cubeSide, 2))

• Step 3 − Print the output.

Example

The following program shows how to find the lateral surface area of the cube.

import Foundation 
import Glibc

var cubeSide : Double = 8.0

// Finding the lateral surface area of cube 
var cubeArea = 4 * (pow(cubeSide, 2))

print("Side - ", cubeSide) 
print("So, Area of the cube- ", cubeArea)

Output

Side - 8.0 So, 
Area of the cube- 256.0

Here in the above code, we calculate the lateral surface area of the cube using the following formula −

var cubeArea = 4 * (pow(cubeSide, 2))

And display the output that is 256. Here we use pow() function to calculate the power of the side.