👉 "Euclid's Elements", a collection of mathematical treatises written by Euclid, is one of the oldest and most influential works in mathematics. It includes several important results about circles, including the Pythagorean theorem, which states that the square of the length of the hypotenuse (the side opposite to the right angle) of a right triangle is equal to the sum of the squares of the lengths of the other two sides. The term "eulysite" in this context refers
