A circle has a radius that is 3 centimeters long. If a central angle has a measure of 2 radians, what is the length of the arc that corresponds to the angle?

Question

mertsj · Answer

If the angle is 1 radian, the arc is 1 radius.  If the angle is 2 radians, the arc is 2 radii.

anonymous · Answer

@Mertsj so it would be 2 centimeters ?

mertsj · Answer

What is the radius?

anonymous · Answer

3

mertsj · Answer

If the angle is 1 radian, then the arc is the radius which is 3

mertsj · Answer

If the angle is 2 radians, then the arc is 2 radii which is 2(3)

anonymous · Answer

i'm terribly sorry but i'm not quit understanding :( 
here are the possible answers.
a- 6 cem
b-3 cem
c- 2 cem
d- 12 cem

mertsj · Answer

The equation is:
$$s=r \theta $$
where s is the length of the arc, r is the radius and theta is the angle in radians.

mertsj · Answer

Well what is 2(3)????????

mertsj · Answer

If the angle is 2 radians, then the arc is 2 radii which is 2(3)

anonymous · Answer

ohh so 6

anonymous · Answer

thank you for you're help !

mertsj · Answer

I think you meant "your" since you're means you are.
And you are welcome.