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<span>Here's the formula to find the area of a triangular prism: </span>

Now, let's define the variables.
b (base) = 3.6 mm
h (height) = 2.4 mm
l (length) = 5 mm
s (side length) = 3 mm
Next, plug the values in for the variables in the formula and solve.



Answer: the surface area is
56.64 millimeters
hope this helps! ps, I labeled a diagram for you
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