The total surface area of the given prism is 336 cm².
Given that, a=3.44 cm, b=5 cm and h=10 cm.
What is the formula to find the surface area of a pentagonal prism?
The surface area of a pentagonal prism = 5ab + 5bh square units.
a = apothem length of the pentagonal prism.
b = base length of the pentagonal prism.
h = height of the pentagonal prism.
Now, the surface area of a pentagonal prism
=5×3.44×5+5×5×10= 336 cm²
Therefore, the total surface area of the given prism is 336 cm².
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