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Swift Program to calculate the volume and area of Sphere
This tutorial will discuss how to write a Swift program to calculate the volume and area of the Sphere.
A sphere is a three-dimensional round solid shape or object. Or we can say a sphere is a shape that is defined in three axes: x-axis, y-axis, and z-axis. It does not hold any vertices or edges.
Volume of the Sphere
The amount of space occupied by a sphere in the three-dimensional plane is known as the volume of a sphere. For example, we want to fill a spherical ball with liquid, so using volume we can calculate the required amount of liquid.
Formula
Following is the formula for volume −
Volume = 4πr3/3
Below is a demonstration of the same −
Input
Suppose our given input is −
Radius = 3
Output
The desired output would be −
Volume = 50
Algorithm
Following is the algorithm −
Step 1 − Declare a variable of double type to store the radius of the sphere.
var sRadius : Double = 4.0
Step 2 − Declare another variable to store the volume of the sphere using the mathematical formula −
var sVolume = (4 * Double.pi * sRadius * sRadius * sRadius)/3
Step 3 − Print the output.
Example
The following program shows how to find the volume of the sphere.
import Foundation import Glibc var sRadius : Double = 4.0 // Calculating the volume of the sphere var sVolume = (4 * Double.pi * sRadius * sRadius * sRadius)/3 print("Radius of the sphere is:", sRadius) print("Hence the volume of the sphere is:", sVolume)
Output
Radius of the sphere is: 4.0 Hence the volume of the sphere is: 268.082573106329
Here in the above code, we calculate the volume of the sphere using the following code −
var sVolume = (4 * Double.pi * sRadius * sRadius * sRadius)/3
Display the volume of the sphere which is 268.082573106329 (Volume = (4 * 3.141592653589793 * 4.0 * 4.0 * 4.0)/3 = 268.082573106329).
Area of the Sphere
The total space or region covered by the sphere in the three-dimensional plane is known as the area of the sphere.
Formula
Following is the formula for the area of the sphere −
Area = 4πr2
Below is a demonstration of the same −
Input
Suppose our given input is −
Radius = 2
Output
The desired output would be −
Area = 50.26548245743669
Algorithm
Following is the algorithm −
Step 1 − Declare a variable of double type to store the radius of the sphere.
var sRadius : Double = 6.0
Step 2 − Declare another variable to store the area of the sphere using the mathematical formula −
var sArea = 4 * Double.pi * sRadius * sRadius
Step 3 − Print the output.
Example
The following program shows how to find the area of a sphere.
import Foundation import Glibc var sRadius : Double = 6.0 // Calculating the area of the sphere var sArea = 4 * Double.pi * sRadius * sRadius print("Radius of the sphere is:", sRadius) print("Hence the area of the sphere is:", sArea)
Output
Radius of the sphere is: 6.0 Hence the area of the sphere is: 452.3893421169302
Here in the above code, we calculate the area of the sphere using the following code −
var sArea = 4 * Double.pi * sRadius * sRadius
Display the area of the sphere which is 452.3893421169302 (Volume = 4 * 3.141592653589793 * 6.0 * 6.0 = 452.3893421169302).
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