Respuesta :
					                   8x8 is 64 for the base. Then, 12x8 is 96 divided by 2 is 48, so the surface area of one side triangle is 48x4 is 192 and add the base of 64 and you get 256.
					                
					                
					             i got the answer 256 i hope this helped you random person
 
					                  