Avtor: Andreja Burina

VIRI: https://sl.jf-staeulalia.pt/collection-circle-cliparts https://eucbeniki.sio.si/mat4/80/index2.html https://eucbeniki.sio.si/mat4/80/index2.html https://www.trendom.si/pisi-brisi/270-trikotnik.html https://www.wikiwand.com/sl/Mnogokotnik https://eucbeniki.sio.si/mat8/821/index3.html