Any point P with coordinates (\(x, y\)) on the circumference of a circle can be joined to the centre (0, 0) by a straight line that forms the hypotenuse of a right angle triangle with sides of length ...
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How do we know pi is an irrational number?
Originally defined as the ratio between the circumference of a circle and its diameter, pi — written as the Greek letter π — ...
Archimedes' method finds an approximation of pi by determining the length of the perimeter of a polygon inscribed within a circle (which is less than the circumference of the circle) and the perimeter ...
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