Area and Circumference of Circle Using Pointers in Golang

Write a program to solve the area and circumference of the circle using pointers in Golang.

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Sample Program Output

Program Listing

/* circle_pointers.go

   Author : Mr. Jake Rodriguez Pomperada, MAED-IT

   Date   : August 8, 2019   Thursday  5:39 AM

   Location : Bacolod City, Negros Occidental

   Website  : http://www.jakerpomperada.com

   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("\tArea and Circumference of Circle Using Pointers")

fmt.Print("\n\n")

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

fmt.Scanln(&rad)

radius := &rad

area = PI * *radius * *radius

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("\tEnd of Program")

fmt.Print("\n")

}