In this task, you need to answer the given multiple-choice question on geometry. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.
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Question: Problem: huey ' s hip pizza sells two sizes of square pizzas : a small pizza that measures 8 inches on a side and costs $ 10 , and a large pizza that measures 12 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 ) 5 square inches , b ) 10 square inches , c ) 16 square inches , d ) 25 square inches , e ) 350 square inches

Answer: c


Question: Problem: if circles x and y have the same area and circle x has a circumference of 12 π , half of the radius of circle y is : 
Options: a ) 16 , b ) 8 , c ) 3 , d ) 2 , e ) 1

Answer: c


Question: Problem: the slant height of a cone is 10 cm and radius of the base is 5 cm , find the curved surface of the cone ? 
Options: a ) 150 , b ) 155 , c ) 158 , d ) 157 , e ) 190

Answer:
d