instruction:
In this task, you need to answer the given multiple-choice question on geometry. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.
question:
Problem: the area of a triangle is with base 10 m and height 5 m ? 
Options: a ) 11 , b ) 25 , c ) 787 , d ) 122 , e ) 12
answer:
b


question:
Problem: 6 points lie on the circumference of a ellipse . what is the positive difference between the number of triangles and the number of quadrilaterals that can be created by connecting these points ? 
Options: a ) 4 , b ) 6 , c ) 5 , d ) 15 , e ) 20
answer:
c


question:
Problem: the number 83 can be written as the sum of the squares of 3 different positive integers . what is the sum of these 3 integers ? 
Options: ['a ) 17', 'b ) 16', 'c ) 15', 'd ) 14', 'e ) 13']
answer:

c