Pentagram - various appearances of the golden ratio

Pentagram and biblical units

The applet enables to check that the ratio between various neighboring segments on the sides and diagonals are equal to Phi (the golden ratio). This provides a verification that the biblical length units(cubit, foot, etc.) are proportional also to subsequent segments in the picture. The topic is described in the following paper: Thierry Dana-Picard - Sara Hershkovitz -  Zsolt Lavicza - Kristof Fenyvesi One Mathematical topic and several levels of implementation Golden section’s viewing the sounds (Preprint 2019).