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: in a rectangular coordinate system , what is the area of a quadrilateral whose vertices have the coordinates ( 3 , - 1 ) , ( 3 , 8 ) , ( 14 , 2 ) , ( 14 , - 5 ) ? 
Options: a ) 76 , b ) 88 , c ) 100 , d ) 112 , e ) 124
b

Problem: what is the area of square field whose side of length 5 m ? 
Options: a ) 80 sq m , b ) 26 sq m , c ) 25 sq m , d ) 45 sq m , e ) 96 sq m
c

Problem: the length of a rectangle is increased by 20 % and its breadth is decreased by 20 % . what is the effect on its area ? 
Options: a ) 1288 , b ) 9600 , c ) 1000 , d ) 10000 , e ) 2887

b