Question

One radian is the exact same measure for all circles? true or false

Answer 1

The answer is True.

One radian is the central angle that subtends an arc length of one radius (s = r). Since all circles are similar, one radian is the same value for all circles. The arc measure of the central angle of an entire circle is 360º and the radian measure of the central angle of an entire circle = 2π.