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: the supplementary of an angle is thrice its complimentary . find the angle . 
Options: a ) 60 , b ) 45 , c ) 90 , d ) 180 , e ) 120
b

Problem: thin rectangular slab of potato was cut into two pieces for an osmosis lab . one piece is 50 mm greater than the other . if the original uncut slab is 600 mm , what is the length of the other piece of the potato after it is cut . 
Options: ['a ) 550', 'b ) 275', 'c ) 50', 'd ) 300', 'e ) 250']

b