what is the square root of 20 Share with your friends Share 1 Ankush Jain answered this We know that √5 = 2.236Therefore, 1 View Full Answer Lakshya Garg answered this it is 400 1 Sanaa Khan answered this i am sorry it is not a square 1 Lakshya Shukla answered this 4.47214 1 Divyanshu Singh answered this 4.47213595499 1 Tania answered this there is no exact square root .but if we look its 4.472 1 Satyajit Ghana answered this this is the answer :4.47213595499957939281 1 Satyajit Ghana answered this 4.4721 35954999579 392818347 3374626 plz join the gaps 1