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: what is the area of square field whose side of length 20 m ? 
Options: a ) 200 sq m , b ) 186 sq m , c ) 586 sq m , d ) 287 sq m , e ) 400 sq m
[EX A]: e

[EX Q]: Problem: the diagonal of a rhombus are 25 m and 50 m . its area is : 
Options: a ) 900 , b ) 800 , c ) 700 , d ) 625 , e ) 650
[EX A]: d

[EX Q]: Problem: the length of a rectangle is two - fifths of the radius of a circle . the radius of the circle is equal to the side of the square , whose area is 1600 sq . units . what is the area ( in sq . units ) of the rectangle if the rectangle if the breadth is 10 units ? 
Options: a ) 140 , b ) 99 , c ) 88 , d ) 160 , e ) 12
[EX A]:
d