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: what will be the area of a semi - circle of 14 metres diameter ? 
Options: ['a ) 154 sq metres', 'b ) 77 sq metres', 'c ) 308 sq metres', 'd ) 22 sq metres', 'e ) none of these']
answer:
b


question:
Problem: the area of a triangle is with base 10 m and height 10 m ? 
Options: a ) 11 , b ) 10 , c ) 50 , d ) 122 , e ) 12
answer:
c


question:
Problem: a cube of edge 15 cm is imersed completely in a rectangular vessel containing water . if the dimensions of the base of vessel are 20 cm * 15 cm , find the rise in waer level . 
Options: ['a ) 11.25 cm .', 'b ) 12.25 cm', 'c ) 13.25 cm', 'd ) 14.25 cm', 'e ) none of these']
answer:

a