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: if paint costs $ 3.20 per quart , and a quart covers 60 square feet , how much will it cost to paint the outside of a cube 10 feet on each edge ? 
Options: a ) $ 1.60 , b ) $ 32.00 , c ) $ 96.00 , d ) $ 108.00 , e ) $ 196.00
answer:
b


question:
Problem: if the area of a circle decreases by 30 % , then the radius of a circle decreases by 
Options: a ) 20 % , b ) 16 % , c ) 36 % , d ) 64 % , e ) none of these
answer:
b


question:
Problem: there are two concentric circles such that the area of the outer circle is four times the area of the inner circle . let a , b and c be three distinct points on the perimeter of the outer circle such that ab and ac are tangents to the inner circle . if the area of the outer circle is 12 square centimetres then the area ( in square centimetres ) of the triangle abc would be 
Options: ['a ) π √ \u200b 12', 'b ) 9 / π', 'c ) 9 √ 3 / π', 'd ) 6 √ 3 / π', 'e ) none of these']
answer:

c