Answer:
I'm fairly certain that c=10. Don't quote me on that.
Step-by-step explanation:
Step-by-step explanation:

The length of an arc subtended by a central angle is proportional to the circle's circumference. If the given central angle has measure
and the circle has radius
, then the arc has length
such that

where
is given in radians. Then

If
is given in degrees, then

Answer:
<u>15</u>
<u>2x</u>
Step-by-step explanation: