How do you define radius?

How do you define radius?

In classical geometry, a radius of a circle or sphere is any of the line segments from its center to its perimeter, and in more modern usage, it is also their length. The name comes from the latin radius, meaning ray but also the spoke of a chariot wheel.

What does radius mean in distance?

countable noun. The radius of a circle is the distance from its center to its outside edge.

What is an example of radius?

How do you use radius in a sentence?

Radius sentence example

1. Atlanta was laid out in the form of a circle, the radius being 14 m. …
2. A semicircle is then drawn behind the bowls with a radius of 9 ft. …
3. The distance of the lucid points was the tangent of the magnified angles subtended by the stars to a radius of io ft.

Where is radius in circle?

Radius of a circle is the distance from the center of the circle to any point on it’s circumference. It is usually denoted by ‘R’ or ‘r’. This quantity has importance in almost all circle-related formulas. The area and circumference of a circle are also measured in terms of radius.

How many radius does a circle have?

Every circle have infinite no. of Radii. This because no. of points on the circumference of circle is infinite.

Is radius half of a circle?

The circles radius is simply half the diameter of the circle. Therefore, the radius of the semicircle is equal to the radius of the circle.

What does 1 mile radius mean?

radius Add to list Share. If you’re a detective working a crime investigation, you might be told to “search over a one-mile radius,” meaning, scope out everything that’s within one mile of the crime scene.

What’s another word for radius?

In this page you can discover 31 synonyms, antonyms, idiomatic expressions, and related words for radius, like: span, space, extent, orbit, range, semidiameter, sweep, diameter, circumference, reach and interval.

How do you draw a radius?

Where can you find your radius?

The radius is one of the two bones that make up the forearm, the other being the ulna. It forms the radio-carpel joint at the wrist and the radio-ulnar joint at the elbow. It is in the lateral forearm when in the anatomical position. It is the smaller of the two bones.

What is radius of a cylinder?

The radius of a cylinder(r) = √(V / π × h), where V is the volume of a cylinder, h is the height of the cylinder, and π(Pi) is a mathematical constant with an approximate value of 3.14.

What is the plural word for radius?

/ ˈreɪ di əs / PHONETIC RESPELLING. See synonyms for: radius / radii on Thesaurus.com. noun, plural ra·di·i [rey-dee-ahy], ra·di·us·es. a straight line extending from the center of a circle or sphere to the circumference or surface: The radius of a circle is half the diameter.

Is radius singular or plural?

The plural of radius can be either radii (from the Latin plural) or the conventional English plural radiuses. The plural form more common for conventional English speakers is radiuses.

How do you spell the plural of radius?

The plural form of radius is radii or radiuses.

What is radius and diameter?

The diameter is a straight line that passes through the center of the circle. The radius is half of the diameter. It starts from a point on the circle, and ends at the center of the circle.

Is radius half of diameter?

Radius and diameter are close friends – a circle’s radius is half the length of its diameter (or: a circle’s diameter is twice the length of its radius).

What is radius of a cone?

The radius of a cone is the radius of its circular base. You can find a radius through its volume and height. Multiply the volume by 3. For example, the volume is 20. Multiplying 20 by 3 equals 60.