AIR MATH

Math Question

Refer to the figure below and mark all statements that are true.
A. The ratio of arc length to \( r \) is always equal to \( \pi \).
B. If the measure of \( \theta \) is \( 60^{\circ} \), then the arc length is \( r \).
C. If the ratio of the arc length to \( r \) is 1 , then the measure of \( \theta \) is 1 radian.
D. If the measure of \( \theta \) is 1 radian, then the arc length is \( 2 r \).

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