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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

  • panditghanshyam1
     + 0 comments
    Here we have simple answer
    const PI = Math.PI
let r = parseFloat(readLine())

console.log(PI*r*r)

console.log(2*PI*r)