Question

please answer that 3rd question
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Answer 1

Answer:

the measure of circle is based on the radius.

This is perfect answer.

Answer 2

Answer:

Radius

Step-by-step explanation:

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.