If circle has a radius of fathoms and sector has a central angle of . What is the measure of arc ?
If the length of is and , which of the following is closest to the length of minor arc ?
has a radius of 
fathoms and sector 
has a central angle of 
. What is the measure of arc 
?
is 
and 
, which of the following is closest to the length of minor arc 
?