Answer:

Step-by-step explanation:
The total surface area of this triangular prism consists of three rectangles and two triangles. Adding the areas of each of these shapes allows us to find the total surface area of this 3D figure:
Area of both triangles:

Area of all three rectangles:

Therefore, the total surface area of this figure is:

Answer:
3. 6.40
Explanation:
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OK 33*76= 2508 if that is your question if its not tell me and i will see what i can do