Calculate Area and Circumference of Circle Using Go

In this example program I write a program to solve the area and circumference of the circle using Go programming language.

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Sample Program Output

Program Listing

/* circle.go

   Author : Mr. Jake Rodriguez Pomperada, MAED-IT

   Date   : December 7, 2018   Friday   4:12 PM

   Emails : jakerpomperada@gmail.com and jakerpomperada@yahoo.com

*/

package main

import "fmt"

 const PI float64 = 3.14 

func main(){

    var rad float64

    var ci float64

    var area float64

    fmt.Print("\n")

    fmt.Print("\tCalculate Area and Circumference of Circle")

    fmt.Print("\n\n")

    fmt.Print("\tEnter radius of Circle : ")

    fmt.Scanln(&rad)

    area = PI * rad * rad 

    fmt.Print("\n")

    fmt.Print("\tArea of Circle is : ")

    fmt.Printf("%0.2f ",area)

    ci = 2 * PI * rad

    fmt.Print("\n\n")

    fmt.Print("\tCircumference of Circle is : ")  

    fmt.Printf("%0.2f ",ci)

    fmt.Print("\n\n")

    fmt.Print("\n")

    fmt.Print("\tEnd of Program")

    fmt.Print("\n")

}