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: the length of a rectangular plot is thrice its width . if the area of the rectangular plot is 588 sq meters , then what is the width ( in meters ) of the rectangular plot ? 
Options: a ) 14 , b ) 16 , c ) 18 , d ) 20 , e ) 22
[EX A]: a

[EX Q]: Problem: the radius of a sphere is increased by 10 % . the surface area increases by ? 
Options: ['a ) 21 %', 'b ) 31 %', 'c ) 41 %', 'd ) 51 %', 'e ) none of these']
[EX A]: a

[EX Q]: Problem: the number 49 can be written as the sum of the squares of 3 different positive integers . what is the sum of these 3 integers ? 
Options: a ) 11 , b ) 16 , c ) 15 , d ) 14 , e ) 13
[EX A]:
a