Question

How to calculate area, diameter and circumference of circle in Swift

Answer 1

import Foundation

let radius = 3.0
let PI = 3.14

let area = PI * radius * radius
print(String(format: "Area = %.2f", area))

let diameter = 2 * radius
print(String(format: "Diameter = %.2f", diameter))

let circumference = 2 * PI * radius
print(String(format: "Circumference = %.2f", circumference))



/*
run:
   
Area = 28.26
Diameter = 6.00
Circumference = 18.84
            
*/

 

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