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# Why is pi used to find the circumference of a a circle?

Updated: 12/16/2022

Wiki User

8y ago

Because the circumference is equal to the diameter multiplied by pi or the radius multiplied by 2*pi.

Wiki User

7y ago

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Q: Why is pi used to find the circumference of a a circle?
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### How is pi used to find circumference of circles?

Pi times the diameter of a circle gives its circumference.

### How is pi used to find the circumference of circles?

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

### When is pi typically used in mathematics?

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

### How can you find the circumference of circle?

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

### How do you find the formula for the circumference of a circle?

Circle's circumference = 2*pi*radius or diameter*pi

### How do you find circumference of a circle given?

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

### How do i find circumference and area of a circle?

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

### 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 yo find circumference of circle?

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