Question

give a short note on pai​

Answer 1

Pi (π) is the ratio of a circle's circumference to its diameter. Pi is a constant number, meaning that for all circles of any size, Pi will be the same. The diameter of a circle is the distance from edge to edge, measuring straight through the center.

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Answer 2

pi, denoted by the symbol π is a universal constant, used in mathematics. It is an irrational number whose value is 3.14159265 which is often considered as 22/7 or 355/113.

π is most commonly used in measuring the angle in radian orr calculating the perimeter, area or volume of curved figures such as circle, sphere, cone, cylinder etc