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  1. Prepare
  2. Tutorials
  3. 10 Days of Javascript
  4. Day 1: Let and Const
  5. Discussions

Day 1: Let and Const

  • mullapudieswar20
     + 10 comments

    function main() {

    let r = readLine();
const PI = Math.PI;

// Print the area of the circle:
console.log(PI*r*r);
// Print the perimeter of the circle:
console.log(PI*2*r);