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

Problem: the sides of a triangle are in the ratio 5 : 12 : 13 and its perimeter is 360 m , its area is ? 
Options: a ) 180 , b ) 882 , c ) 277 , d ) 261 , e ) 281
a

Problem: find the surface area of a 10 cm x 4 cm x 3 cm brick 
Options: a ) 84 , b ) 124 , c ) 164 , d ) 180 , e ) 120
c

Problem: find the surface area of a 10 cm x 4 cm x 3 cm brick 
Options: a ) 84 , b ) 124 , c ) 164 , d ) 180 , e ) 120

c