In this task, you need to answer the given multiple-choice question on geometry. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

[EX Q]: Problem: obra drove 150 meters along a circular track . if the area enclosed by the circular track on which she drove is 57,600 square meters , what percentage of the circular track did obra drive ?
Options: ['a ) 6.67 %', 'b ) 12.5 %', 'c ) 18.75 %', 'd ) 25 %', 'e ) 31.25 %']
[EX A]: e

[EX Q]: Problem: carol and jordan draw rectangles of equal area . if carol ' s rectangle measures 5 inches by 24 inches and jordan ' s rectangle is 4 inches long , how wide is jordan ' s rectangle , in inches ?
Options: a ) 25 , b ) 23 , c ) 32 , d ) 30 , e ) 18
[EX A]: d

[EX Q]: Problem: if the length of the longest chord of a certain circle is 14 , what is the radius of that certain circle ?
Options: a ) 2.5 , b ) 5 , c ) 10 , d ) 7 , e ) 9
[EX A]:
d