Sakshi Education
Pi Day is celebrated on March 14, commemorating Pi (the Greek letter p). This idea originated in the United States. In the United States, it is agreed to write the date in a format that represents March 14th as 3/14.
- These three numbers match the value of pi to up to two decimal places, which is 3.14.
- Pi is the ratio of the circumference of a circle to the diameter of the circle. Pi is also the area of the circle divided by the square of its radius. The ratio is always constant.
- Pi is an irrational number, represented by the symbol "p".
- Pi is used in geometry, trigonometry, physics, astronomy, and other sciences. It appears in various formulas. Several important formulas are:
- The area of the circle is pr2.
- The volume of the cylinder is pr2h.
- The surface area of the ball is 4pr2.
- The volume of the sphere is 4/3 (pr3).
- The volume of the cone is 1/3 (pr2h).
Published date : 15 Mar 2021 05:55PM
