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Pi is related to the area and the circumference of the circle. The area is Pi multiplied by the radius of the circle squared and the circumference is Pi times the diameter of the circle.

if you're wondering how it works, pi is the area of a circle with radius of 1 (unit), and the circumference of a circle with a radius of ½ (unit).

Q: How is pi in relation to a circle?

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

No, the circumference of the circle divided by the diameter is pi.

the formula for pi is the ratio of the circumference of a circle to the diameter of the circle

A unit circle is not normally called 2 pi. Because the radius length measure of the unit circle is 1 unit, then the circumference of a unit circle is 2*pi, and its area is pi.

6 inches pi*32 = 9*pi square inches (smaller circle) pi*62 = 36*pi square inches (larger circle)

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The circumference of a circle divided by its diameter is equal to the value of pi.

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

The value of pi for any circle is the circle's circumference divided by its diameter.

A circle's circumference when divided by its diameter is the value of pi which is an irrational number because it can't be exactly expressed as a fraction.

In relation to the area of a circle: pi*radius^2

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

The number pi is the ratio of the circumference and the diameter of a circle. In Euclidian ("flat") geometry, this ratio is the same for all circles. The number pi is approximately 3.1416. It also has many other uses in mathematics and physics, not all of which have an obvious relation to a circle or sphere.

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).

It is pi, a letter in the Greek alphabet, and pronounced like pie. This infinite value, usually expressed as 3.14 or sometimes more accurately as 3.1416 is the ratio of the diameter (distance across) a circle, and the circumference (distance around) a circle. The diameter times pi equals the circumference, and the circumference divided by pi gives the diameter. Also, the radius (half the diameter) times itself and then multiplied by pi gives the area inside a circle. The value of pi is the same regardless of the size of a circle.

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

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

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