Question

define circle and and radius of circle
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Answer 1

Answer:

Circle is the figure which have not vertices. sides.

Radius of circle. -From centres to circumference.....

Answer 2

Answer:

A circle is all points in the same plane that lie at an equal distance from a center point. The distance between the midpoint and the circle border is called the radius. ... A line segment that has the endpoints on the circle and passes through the midpoint is called the diameter

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.

Step-by-step explanation:

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