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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

  • oykuky001
     + 0 comments
    function main() {
    const PI=Math.PI;
    let r=readLine();
    // Print the area of the circle:
    let area;
    area=PI*(r**2);
    console.log(area);
   
    // Print the perimeter of the circle:
    let perimeter;
    perimeter=2*PI*r ;
    console.log(perimeter);