Geogebra Presentation Glo #4

Author:
bob123456
Topic:
Angles
This is a Glo #4 presentation made by me. I am trying to prove how triangle SEA, inside of BAGELS, is an equilateral triangle. I managed to deduced how to change font color and size. So, here is my "new and improved demonstration" that shows "how" to "solve" this "problem." It deserves to be "put" in quotation marks.