Question

write a program to input radius of circle and calculate and print perimeter and area of circle. please Bhai koi jaldi batao​

Answer 1

Answer:

import java. util. *;

class radius

{

void main()

{

Scanner so = new Scanner(System.in) ;

System.out.println("enter the radius of the circle") ;

double a= so. nextDouble() ;

double pi = 3.14;

double c=2*pi*a;

double d=pi*a*a;

System.out.println("perimeter="+c+"area"+d) ;

}

}