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 radius of a cylindrical vessel is 7 cm and height is 2 cm . find the whole surface of the cylinder ? 
Options: a ) 281 , b ) 396 , c ) 440 , d ) 767 , e ) 1981
answer:
b


question:
Problem: if the area of a triangle with base 6 cm is equal to the area of a square with side 6 cm , then the altitude of the triangle is 
Options: ['a ) 12 cm', 'b ) 10 cm', 'c ) 11 cm', 'd ) 15 cm', 'e ) 20 cm']
answer:
a


question:
Problem: if y is the smallest positive integer such that 630 multiplied by y is the square of an integer , then y must be 
Options: a ) 20 , b ) 50 , c ) 60 , d ) 70 , e ) 140
answer:

d