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Radius The word radius was a Latin word for the spoke of a wheel. The similarity of radius to the Indo-European root werad from which we get radical and rhizome and the image of the roots of a plant spreading out in all directions like the spokes of a wheel seem too much to resist. Whatever its origin, the word radius was shortened to produce ray, and is also the source of the word radio, named because the electromagnetic rays radiate out in every direction.
What else can I help you with?
What is half of a circumference called?
Radius Radius
The radius of the event horizon of a black hole is called the?
Schwarzschild radius.
What is the smallest bone in the forearm?
It is called the radius
Who was Radius?
Radius is a name in Latin called spin the wheel
What is the distance from a circle to it's center?
It is called the radius. The full distance is called the diameter.
The line which is at a distance equal to the radius of a circle from its centre is called?
Radius
What is a line perpendicular to a radius of a circle called?
A Chord. Or another radius!
What is radius of the diameter called?
The Radius of a circle is half the Diameter of the circle.
What is radius of curvature?
The radius of the sphere of which a lens surface or curved mirror forms a part is called the radius of curvature.
What is The distance from the center a circle to the outside edged called?
From the centre of a circle to the outside edge is known as the radius.
What is it called when a radius doubles?
Diameter
Why spherometer is so called?
The reason a spherometer is called a spherometer is because it measures the radius of a sphere.
