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

Problem: find the surface area of a 10 cm x 4 cm x 3 cm brick 
Options: a ) 84 , b ) 124 , c ) 164 , d ) 180 , e ) 120
c

Problem: the length of a rectangular plot is thrice its width . if the area of the rectangular plot is 432 sq meters , then what is the width ( in meters ) of the rectangular plot ? 
Options: ['a ) 10', 'b ) 11', 'c ) 12', 'd ) 13', 'e ) 14']
c

Problem: 32 meters of wire is available to fence off a flower bed in the form of a circular sector . what must the radius of the circle in meters be , if we wish to have a flower bed with the greatest possible surface area ? 
Options: ['a ) 2 √ 2', 'b ) 2 √ 5', 'c ) 5', 'd ) 4 √ 2', 'e ) 8']

e