Respuesta :

Supernova11

Answer:

78

Step-by-step explanation:

All we have to do here is substitute s as 4, and h as 5:

SA = 2(3)^2 + 4(3)(5)

     = 2(9) + 12(5)

     = 18 + 60

     = 78  

Solution: 78 units^2