What is the surface area of the equilateral triangular prism? a) 51 cm2 b) 56 cm2 c) 62 cm2 d) 67 cm2

You have to give some info about the prism

To find the surface area I need the sides but here are some steps on how to solve it.

First, substitute the given values into the formula. Then, multiply the sum of the triangle sides by the height of the prism (H) and add the values together for the answer, making sure to include the appropriate unit of measurement. 

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