How to animate a circle easily

Question

using cx,cy,r and marquee tag

Answer 1

Have you asked the question as a task for others??

Answer 2

Please, this section is not for challenges but only for coding/sololearn problems... I suggest you to read trought this code links for get better some SL tips and guidelines
https://code.sololearn.com/WvG0MJq2dQ6y/?ref=app

P.S. Marquee is deprecated in html5. Its better use <animate> tag or css transform

Answer 3

easy question