In this task, you need to answer the given multiple-choice question on geometry. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

Q: Problem: the radius of a cylindrical vessel is 7 cm and height is 6 cm . find the whole surface of the cylinder ? 
Options: a ) 281 , b ) 771 , c ) 440 , d ) 767 , e ) 572

A: e
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Q: Problem: two identical circles intersect such that their centers and the points at which they intersect form a square of side 4 cm . what is the area of the region where the two circles intersect ? 
Options: ['a ) 16 - 4 pi', 'b ) 4 - pi', 'c ) 2 pi - 4', 'd ) 8 pi - 16', 'e ) pi ^ 2 - 4']

A: d
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Q: Problem: if the sides of a triangle are 196 cm , 81 cm and 277 cm , what is its area ? 
Options: a ) 5000 , b ) 5656 , c ) 7878 , d ) 7900 , e ) 7938

A:
e
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