In this task, you need to answer the given multiple-choice question on geometry. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

Example Input: Problem: if the sides of a triangle are 26 cm , 24 cm and 12 cm , what is its area ?
Options: a ) 144 , b ) 772 , c ) 288 , d ) 266 , e ) 2848
Example Output: a

Example Input: Problem: a rectangular farm has to be fenced one long side , one short side and the diagonal . if the cost of fencing is rs . 14 per meter . the area of farm is 1200 m 2 and the short side is 30 m long . how much would the job cost ?
Options: a ) 1276 , b ) 1680 , c ) 2832 , d ) 1299 , e ) 1236
Example Output: b

Example Input: Problem: if a square mirror has a 20 - inch diagonal , what is the approximate perimeter q of the mirror , in inches ?
Options: a ) 40 , b ) 60 , c ) 80 , d ) 100 , e ) 120
Example Output:
b