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# What are the uses of PI?

Updated: 4/28/2022

Wiki User

13y ago

think of things that are round, for example, findind the circumference of a pool or a cup

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13y ago

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Q: What are the uses of PI?
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### How can you use pi?

You need Pi to find the radius or circumference of a circle and there are many more uses!

### Who uses Pi?

3.14159265 That Pi? Many people use Pi. I use Pi in my math class.

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### What are 3 uses of pi?

Finding the area of a circle: pi*radius2 Finding the circumference of a circle: 2*pi*radius or diameter*pi Finding the surface area of a sphere: 4*pi*radius2

### How does Pi apply to soccer?

The Ball uses pi and so does the half circle near the goal and the center circle

### What formulas use Pi in the equation?

a formula that uses pi is the circumference and area of a circle and every polyhedron that has a circle

### Why paterno buchi reaction uses excited state of ketone and not olefin?

its phps becoz n-pi* excitation requires less energy than pi-pi*

### What formulas use pi?

the circumference formula uses pi and the formula is pi (3.14) times what ever the diameter is and that's one formula i know and I'm in fifth grade

### How much numbers do pi got?

For almost all mathmatics and physics uses, pi is writen as 3.1417. But it is actually an irrational number, and has no perfect answer.

### Pi is usually rounded to what degree of accuracy?

For the vast majority of day-to-day uses, pi is quoted as 3.14. This is equivalent to 3 significant figures, 2 decimal places, or pi 'to the nearest hundreth'.

### How and when do you use pi in school?

Some of its uses and applications are as follows:- Circumference of a circle: 2*pi*radius or diameter*pi Area of a circle: pi*radius2 Volume of a sphere: 4/3*pi*radius3 Surface area of a sphere: 4*pi*radius2 Volume of a cone: 1/3*pi*radius2*height Curved surface area of a cone: pi*radius*slant length Volume of a cylinder: pi*radius2*height Entire surface area of a cylinder: (2*pi*radius2)+(diameter*pi*height) Pi is the value of a circle's circumference divided by its diameter Pi is the 16th letter of the Greek alpabet

### Why is it not practical to work with the actual value of π?

It is not practical to work with the actual value of pi, because there is no actual value of pi. We all know that pi more or less equals 3.14159265 . . . but the number of decimal points in pi never ends. 3.14159 is extremely precise, and works for most uses.