Respuesta :

3(24) + 2(24) + 5.39(24) = 72 + 48 + 129.36 = 249.36 ~ 249m^2 

Total Surface Area: 
(add to the above) 
2(1/2)(3)(2) = 6m^2 (area of the two triangles) 
6 + 149 = 155m^2 
The correct answer is 6 + 149 = 155m^2! Hope This Helps!