Question

what is radius? explain it briefly​

Answer 1

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.

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Answer 2

Answer:

Radius is a line from the center to the outside of a circle or sphere. An example of radius is the spoke a bike wheel.Every family within a radius of 25 miles of the city center.

Explanation:

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