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: the slant height of a cone is 14 cm and radius of the base is 12 cm , find the curved surface of the cone . 
Options: a ) 150 , b ) 170 , c ) 48 , d ) 528 , e ) 600

Answer: d


Question: Problem: what should be added to 4329 so that it may become a perfect square ? 
Options: a ) 24 , b ) 25 , c ) 26 , d ) 27 , e ) 28

Answer: d


Question: Problem: the red triangle is equilateral with a side of 23 centimetres . its perimeter is 
Options: ['a ) 68 cm', 'b ) 69 cm', 'c ) 70 cm', 'd ) 71 cm', 'e ) none']

Answer:
b