# Keyword Analysis & Research: circle

## Keyword Research: People who searched circle also searched

What is a circle in geometry?

In geometry, a circle can be defined as a closed , two-dimensional curved shape. A few things around us that are circular in shape are a car tire, a wall clock that tells time, and a lollipop. The center of a circle is the center point in a circle from which all the distances to the points on the circle are equal.

What is the distance around the circle?

The distance around the circle is the circumference of the circle. Example 1: Match each term with the correct definition. Example 2: Use the figure to answer the questions. Which term best describes OE? Name 3 line segments that have the same length. Name the secant.

What is the circumference of a circle?

The circumference of a circle is the distance around a circle. It is the same as the perimeter of other shapes. A line segment with its endpoints lying on a circle is called the chord of the circle. The diameter of a circle is its largest chord. An arc is a part of the circle, with all its points on the circle.

What is the importance of the circle?

The circle is the basis for the wheel, which, with related inventions such as gears, makes much of modern machinery possible. In mathematics, the study of the circle has helped inspire the development of geometry, astronomy and calculus .