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.

Radius is defined as a line segment that connects the center of a circle or a sphere to its circumference or boundary. It is an important part of circles and spheres and is generally abbreviated as 'r'. The …

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. Sometimes the word 'radius' is used …

The radius of the circle is the distance between the center of the circle and any point on its circumference. Learn the definition, formulas, examples, and more.

The supermarket, shopping mall, and school are all within a one-mile radius of the house (= are all less than a mile away from it).

The radius (plural radii) of a circle is any line segment that has one endpoint on the center of the circle and the other endpoint on the circle's circumference.

Learn the relationship between the radius, diameter, and circumference of a circle.

Earth radius (denoted as R🜨 or RE) is the distance from the center of Earth to a point on or near its surface. Approximating the figure of Earth by an Earth spheroid (an oblate ellipsoid), the radius …

The radius around a particular point is the distance from it in any direction. Nigel has searched for work in a ten-mile radius around his home.

What is the Radius of a Circle? Complete Definition & Guide. The radius of a circle is the distance from the center point to any point on the circle's circumference. It is one of the most fundamental …