Avtor: Barbara Juvančič

VIRI: https://sl.wikipedia.org/wiki/Tetraeder https://eucbeniki.sio.si/mat5/697/index2.html https://osmislinja.si/2020/03/29/ponedeljek-30-3-2020-2/ http://nermin.splet.arnes.si/tristrane-prizme/ https://nermin.splet.arnes.si/pravilna-3-strana-piramida/ http://www.nauk.si/materials/69/out/index.html?printSlides=* http://www.os-brinje.si/files/2020/04/MAT-9r-6t-Pravilna-4-strana-piramida.pdf https://si.openprof.com/wb/sto%C5%BEec_za_osnovno_%C5%A1olo?ch=2354 https://si.openprof.com/wb/valj_za_osnovno_%C5%A1olo?ch=2352 https://sl.wikipedia.org/wiki/Oktaeder https://h5p.splet.arnes.si/2020/12/15/geometrijska-telesa-8/