PLEASE HELP ME ! ITS DUD SOON. ILL GIVE BRAINLIEST I BEG

Answer: The total surface area is 240 square cm
Step-by-step explanation: The total area of all the rectangular faces, 216 sq cm, plus the total area of all the triangular faces, 24 sq cm, is equal to the total surface area, which is 240 sq cm.
216+24=240