PLZ HELP ASAP RADIANS AND ARC LENGTH

The arc length by definition is given by:
S = R * theta
Where,
R: radio
Theta: central angle
Substituting values we have:
S = 10 * (3/2) pi
Rewriting we have:
S = 5 * (3) pi
S = 15pi
Answer:
The arc length is:
S = 15pi