The meaning of RADIUS is a line segment extending from the center of a circle or sphere to the circumference or bounding surface. How to use radius in a sentence.

Learn what is radius, how to find it using formulas, and how to draw a circle with radius. Explore the radius of a circle and a sphere with examples and diagrams.

The radius of a circle is the length of the line from the center to any point on its edge. The plural form is radii (pronounced "ray-dee-eye"). In the figure above, drag the orange dot around and see that the radius is always constant at any point on the circle.

The radius of a circle calculator returns the length of a circle's radius based on the input data: the circumference, area, or diameter.

Learn what is the radius of a circle, how to calculate it from diameter, circumference, or area, and how to use the equation of a circle with radius. See solved examples, practice problems, and frequently asked questions about radius of a circle.

Illustrated definition of Radius: The distance from the center to the circumference of a circle It is half of the circles...

The radius of a circle is the distance from the center of the circle to any point on its circumference. It is half the length of the diameter of the circle. Shown below is the radius of the circle.

Learn the meaning of radius as a geometric term, a distance measure and a bone name. Find out how to use radius in sentences and how to say it in different languages.

(the length of) a straight line joining the centre of a circle to its edge or the centre of a sphere to its surface: The radius of this wheel is 30 cm.. This wheel has a radius of 30 cm. Encyclopaedia Britannica/Universal Images Group/GettyImages. a distance from a central point: