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How does pi work?
pi is just a number, it is not a machine. It is defined as the circumference/diameter of any circle, the result although defined by a ratio is an irrational number (can't be writt en as a ratio of integers). Pi is also, 3.14, as in the distance of a circle.
What is the perimeter of a semi circle?
The perimeter of a full circle is 2*pi*r. Where, pi is the mathematical constant that is the ratio of any circle's circumference to its diameter, approximately equal to 3.14, and r is the radius of the circle. The perimeter of a semi circle, assumed to be half of a full circle is pi*r where pi and r are previously defined.
What is the definition of pi?
Pi is defined as the circumference of a circle divided by its diameter. This relationship carries a value of approximately 3.14159 as a constant. Additionally, Pi is defined also by a circle's area divided by its radius squared.
Why is pi used in circle?
Because the ratio of the circumference of any circle to its diameter is pi.
How do you figure pi radius of a circle?
The area of any circle = pi*radius2
How does pi relate to the area of a circle?
Because area of any circle = pi*radius2
What does the greek symbol pi mean?
It is defined as the ratio of the circumference of a circle to its diameter
The ratio of circumference and diameter of any circle?
The circumference of any circle is: diameter times pi The circumference of any circle divided by its diameter is the value of pi
What is the circumference of 20.5 of a circle?
The circumference of any circle is: 2*pi*radius or diameter*pi
How do you find what pi is?
3.141592654..........etc. The circumference of any circle divided by the diameter of that circle is pi. That or you go to a bakery, they have lots of pi
How yo find circumference of circle?
Circumference of any circle = 2*radius*pi or diameter*pi
What is the circumference of 36 inch circle?
Circumference of any circle = 2*pi*radius or diameter*pi
