# How to find the diameter of a circle with the circumference?

In a circle, the length of the boundary is called the circumference of the circle.

## Answer: The diameter of a circle can be calculated with the help of the formula, diameter = circumference/pi

The diameter of a circle is a straight line joining a point from one end of the circle to a point on the other end of the circle, passing through the center.

## Explanation:

In any circle the ratio of its circumference to its diameter is always the same regardless of their size.

This ratio is called pi (π).

Circumference of a circle = pi × diameter.

### Thus, the diameter can be calculated with the help of the formula, diameter = circumference/pi.

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