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Because the ratio of the circumference of any circle to its diameter is pi.

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โˆ™ 2012-05-22 09:01:51
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โˆ™ 2012-05-22 09:01:51

Because the ratio of the circumference of any circle to its diameter is pi.

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Q: Why is pi used in circle?
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Pi can be used to calculate the blank of a circle?

Pi can be used to calculate the area of a circle Pi can be used to calculate the circumference of a circle


Why is pi used in every circle formula?

By definition Pi is the relation between the radius and circumference of a circle.


How is pi r squared used?

It is used to find the area of a circle as pi*radius2


When is pi typically used in mathematics?

Pi is used to find area and circumference of a circle.


How is pi used?

the way to use pi is to find the circuference of a circle


What shape is Pi used in?

Pi can be used to find a circle, For the circumference-Pi x D, or for the radius Pi x r2


How have you used pi?

To find out the area of a circle.


Where can you see a pi?

It is a Greek letter used to represent the ratio of the diameter of a circle to its circumference so you can see 'pi' (not a pi)in any circle.


How is pi used to determine the area of a circle?

Area of a circle equals pi (3.14) times the radius squared.


What is the math subject that the pi is mainly used in?

well pi is used to find the area of a circle A=pi x the radius squared


How is pi used in todays world?

Pi is used in nearly every branch of math. If you need to do anything with a circle, pi was used to make that circle. Any measurement of a circle, cylinder, sphere, etc involves pi. Pi is incorporated into the GPS. All kinds of things use pi. A fun fact for pi: the actual length of a river compared to the straight distance from source to mouth will yield pi.


Where does pi comes from?

pi is the # 22 divided by 7. it is used to find a circle's circumfernce


How can the circumference of a circle be calculated?

The circumference of a circle can be calculated by multiplying pi by the diameter of the circle. For example if the diameter is 10 then the calculation will be pi x 10 = answer. The most commonly used value for pi is 3.14


How is pi used to find the circumference of circles?

Circumference of any circle = 2*pi*radius or pi*diameter


What are the specifications of the circle being used to calculate constant pi?

Any circle will work!


What is the difference between circle and Pi?

This is PI, pi = 3.14159265...... A circle is the round thing, like your pies! The area of a circle is measured using (Pi)(radius to the power of 2). Circumfrance of a circle is (Pi)(Diameter of circle).


Where and how pi it is used today?

Pi is used in many ways today. The simplest way it to find the circumference (the perimeter) of a circle or the area (amount of space inside) of a circle.


What was the method that aryabhatta used to estimate the pi value?

pi=3.141... C divided by D. Circumference of a circle divided by the diameter of a circle.


How is pi used to find circumference of circles?

Pi times the diameter of a circle gives its circumference.


What are the two formulas pertaining to circles that pi is used in?

Angular measure of a circle: 2*pi radians. Circumference of a circle with diameter d units: d*pi units


What are the geometry formulas for a circle?

Circumference of a circle = 2*pi*radius or diameter*pi Area of a circle - pi*radius2


What is the mathemathical formula of a circle?

Circumference of a circle = 2*pi*radius or diameter*pi Area of a circle = pi*radius2


What the formula in circle?

Area of a circle = pi*radius squared Circumference of a circle = 2*pi*radius or diameter*pi


What does pi have to do with the area and circumference of a circle?

It is used in finding the circumference and area of a circle. Circumference = 2*pi*radius or pi*diameter measured in linear units Area = pi*radius2 measured in square units


What is the formula for the circumference of a circle in pi?

Circumference of a circle = 2*pi*radius or pi*diameter