Question 1210533
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Let PQRST be an equilateral pentagon.  If the pentagon is concave, and \angle P = \angle Q = 135^{\circ}, 
then what is the degree measure of \angle T?
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Similar problem was considered and solved at this forum yesterday under link


https://www.algebra.com/algebra/homework/Geometry-proofs/Geometry_proofs.faq.question.1210529.html


It was shown/proved there that such equilateral pentagon as described in the post - does not exist and can not exist.


So, the problem is an attempt to deceive a reader.



Go in peace and don't interfere with our work.