A. hexagonal prism
B. lateral area is the not hex sides
6 sides, 4 by 10
6*4*10=240 cm^2
C. area of a hexagon is ((3s^2)√3)/2 where s is side legnth
A=((3(6)^2)√3)/2
A=((3(36))√3)/2
A=(108√3)/2
A=54√3
2 bases so times 2
A=108√3 cm^2
D. total is LA+thing calclated in previous step
240+108√3 cm^2