Answer:
A
The distance in revolutions is 
The distance in degrees is 
The distance in radian is 
B

Explanation:
From the question we are told that
The diameter of the pie is 
The distance covered by the rim is 
The number which the pie is divided into is k = 5
Generally the radius of the pie is mathematically represented as

=> 
=> 
Generally the distance covered by the rim is mathematically represented as
=>
=> 
Generally converting to degrees

=> 
=> 
Generally converting to radian

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=>
Generally the angular size of one piece of the pie is

=> 
=> 