Respuesta :
Answer: it’s halfway
into the circle, you would need it when trying to find the circumference
Explanation:
Radius is used to find the circumference of the circle or sphere.
What is the radius?
A straight line extending from the centre of a circle or sphere to the circumference or surface: The radius of a circle is half the diameter.
To calculate the circumference of a circle, multiply the diameter of the circle with π (pi). The circumference can also be calculated by multiplying 2×radius by pi.
Hence, the radius is used to find the circumference of the circle or sphere.
Learn more about radius here:
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