Respuesta :
for finding surface area we add all the surface of the prism- 60×2=120(because in the prism there are two triangle so we are multiplying the area of triangle with 2) know we will multiply 40×8=320 perimeter is the sum of all sides. surface area= 320+120=440
Answer:
ok i know this is super late and im sorry but the answer is 1,120 for me
Step-by-step explanation:
sirry if it's wrong have a good day