Maybe some people would say that “who is Thales? I have only heard about Taylor Swift.” But you must have heard the theorem which I will talk about later.  Who is Thales? Thales was born in 624 B.C. He is a Greek philosopher, mathematician and was also one of the Seven Sages of Greece.He was known as “the father of philosophy” or “the father of mathematics” nowadays. What is Thales’ theorem talking about? In short, The triangle formed by the diameter