Math

A Tricky Geometry Problem Solved In 2 Ways!

I received many requests for this challenging problem. Can you solve it? Thanks to Toli for the suggestion!

Geometry solution in method 1
http://128.192.17.191/EMT668/EMAT6680.F99/Estes/15degrees/15degreesgeometric.html
Another geometry solution
http://128.192.17.191/EMT668/EMAT6680.F99/Estes/15degrees/solution2.html
Trigonometry solution
http://128.192.17.191/EMT668/EMAT6680.F99/Estes/15degrees/15degreestrigonometric.html
Go Geometry discussion
https://gogeometry.blogspot.com/2009/11/problem-395-square-15-degree.html
https://drive.google.com/file/d/1A0Az5nJ9wGBwcM2F4gQY2dSfeKJZ1gSS/view

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