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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

  • sssunri
     + 0 comments
    const PI = Math.PI;
const r = readLine();

// Print the area of the circle:
console.log(`${PI * Math.pow(r, 2)}`);

// Print the perimeter of the circle:
console.log(`${2 * PI * r}`);