Question

why do we have only 360 degrees not 400,10000 etc

Answer 1

Because its has a limit of 360 degrees it's a complete round we can draw or see a line randomly but a round start from one place and meet again if any thing move 400 degrees than it will move like a pendulum:):):):):). :) if you don't understand my answer just report it and if u like it mark it as brainlest please