Answer:

Step-by-step explanation:
We can notice that the the prism provided is a rectangular prism.
By definition, The lateral area of a rectangular prism can be calculated by multiplying the perimeter of its base by its height.
The height is:

Then, the perimeter of the base is:

Then the lateral area is:

Answer:
1100 mm = 1.1 m, and 900 mm = 0.9 m.
So the area is 1.1 x 0.9 = 0.99 m^2
Answer:
B
Step-by-step explanation:
2,180,000 80,000 being rounded up from 78,421