Best Answer

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

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

Write your answer...

Submit

Still have questions?

Continue Learning about Math & Arithmetic

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

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

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

circumference of a circle = 2piradiuis or diameter*pi

find the radius of a circle with circumference of 42.1

Related questions

Pi times the diameter of a circle gives its circumference.

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

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

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

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

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

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

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

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

Circumference = 2*pi*radius or diameter*pi

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

The ratio of a circle's circumference to its diameter is Pi, which is 3.14159. Hence, multiply the diameter by Pi to find a circle's circumference, or divide a circumference by Pi to find its diameter. 8 times pi = 25.13274123.