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 area of a parallelogram is 72 sq m and its altitude is twice the corresponding base . then the length of the base is ? 
Options: a ) 6 , b ) 16 , c ) 8 , d ) 36 , e ) none

A: a
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Q: Problem: what is the measure of the angle e made by the diagonals of the any adjacent sides of a cube . 
Options: ['a ) 30', 'b ) 45', 'c ) 60', 'd ) 75', 'e ) 90']

A: c
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Q: Problem: the area of a parallelogram is 147 sq m and its base is thrice the corresponding height . then the length of the base is ? 
Options: a ) 14 m , b ) 29 m , c ) 49 m , d ) 7 , e ) none

A:
d
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