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: a semicircle has a radius of 9 . what is the approximate perimeter of the semicircle ? 
Options: a ) 16 , b ) 25 , c ) 33 , d ) 46 , e ) 58

A: d
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Q: Problem: huey ' s hip pizza sells two sizes of square pizzas : a small pizza that measures 6 inches on a side and costs $ 10 , and a large pizza that measures 9 inches on a side and costs $ 20 . if two friends go to huey ' s with $ 30 apiece , how many more square inches of pizza can they buy if they pool their money than if they each purchase pizza alone ? 
Options: a ) 9 square inches , b ) 10 square inches , c ) 15 square inches , d ) 25 square inches , e ) 350 square inches

A: a
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Q: Problem: if the radius of a circle is increased by 30 % then the area is increased by : 
Options: a ) 44 % , b ) 69 % , c ) 144 % , d ) 40 % , e ) none of the above

A:
b
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