Answer:
Radius.
Explanation:
● The distance from the centre to any other point on the circle is known as the radius.
Other Definitions:
● Diameter is the the distance from one point to another point of the circle which passes through the centre of the circle.
● The space enclosed by a figure is known as its area. Area of a circle = πr²
● Circumference of a circle is its outer perimeter. Circumference = 2πr
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