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 ratio of the areas of two squares , one having double its diagonal then the other is : 
Options: ['a ) 2 : 1', 'b ) 1 : 2', 'c ) 2 : 3', 'd ) 1 : 4', 'e ) 4 : 1']

A: e
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Q: Problem: a rectangular field has to be fenced on three sides leaving a side of 20 feet uncovered . if the area of the field is 680 sq . feet , how many feet of fencing will be required ? 
Options: ['a ) 80 feet', 'b ) 85 feet', 'c ) 83 feet', 'd ) 88 feet', 'e ) 90 feet']

A: d
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Q: Problem: the area of a triangle is with base 4 m and height 5 m ? 
Options: ['a ) 11', 'b ) 10', 'c ) 99', 'd ) 17', 'e ) 12']

A:
b
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