In this task, you need to answer the given multiple-choice question on geometry. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.
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Question: Problem: if circles x and y have the same area and circle x has a circumference of 12 π , half of the radius of circle y is : 
Options: a ) 16 , b ) 8 , c ) 3 , d ) 2 , e ) 1

Answer: c


Question: Problem: the radius of a cylindrical vessel is 9 cm and height is 3 cm . find the whole surface of the cylinder ? 
Options: a ) 308 sq cm , b ) 220 sq cm , c ) 440 sq cm , d ) 132 sq cm , e ) 678.8 sq cm

Answer: e


Question: Problem: a metallic sheet is of rectangular shape with dimensions 48 m x 36 m . from each of its corners , a square is cut off so as to make an open box . if the length of the square is 3 m , the volume of the box ( in m 3 ) is : 
Options: a ) 3780 , b ) 5120 , c ) 6420 , d ) 8960 , e ) 7960

Answer:
a