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 sector of a circle whose radius is 12 metro and whose angle at the center is 36 â ° is ? 
Options: a ) 52.6 , b ) 45.3 , c ) 52.8 , d ) 52.1 , e ) 52.2

A: b
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Q: Problem: a rectangular tiled patio is composed of 126 square tiles . the rectangular patio will be rearranged so that there will be 2 fewer columns of tiles and 4 more rows of tiles . after the change in layout , the patio will still have 126 tiles , and it will still be rectangular . how many rows are in the tile patio before the change in layout ? 
Options: ['a ) 5', 'b ) 6', 'c ) 9', 'd ) 13', 'e ) 28']

A: c
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Q: Problem: the length of a rectangular field is 7 / 5 its width . if the perimeter of the field is 432 meters , what is the width of the field ? 
Options: a ) 50 , b ) 60 , c ) 70 , d ) 80 , e ) 90

A:
e
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