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Which mathematicians first used the symbol pi and why?
Any mathematician will use the number pi (and its symbol) sooner or later - it is a number used extensively in many different areas of mathematics.
Does pi equal 180 degrees?
No, pi is a ratio, often simplified as 22/7, used to calculate areas of circles, etc.So, the area of a circle is pi times r2, where r = the radius of the circle.
How is pi used in everyday life?
the double helix is DNA revolves around pi. pi is in the rainbow, the pupil in the eye and when a raindrop falls into water pi emerges in the spreading rings. it appears in colours and music. its also used in probability and statistics. clock designers use pi when designing pendulums for clocks. aircraft designers use it to calculate areas of the skin of the aircraft. pi is used for navigation such as global positioning (GPS)
How many degrees is pi over three?
pi over three is 60 degrees.
What is the product of three fourths and three fifths?
pi
