How do you go about finding the lateral area of a triangular prism? Example: The base of a triangular prism is an equilateral triangle with a perimeter of 42 cm. If the height of the prism is 10 cm, find the lateral area. Thanks for the help in advance.
Added by Veronica O.
Step 1
We know that the perimeter of the equilateral triangle is 42 cm, so each side length is 42/3 = 14 cm. Plugging this into the formula, we get: Area of base = (sqrt(3)/4) x 14^2 = 84.3 cm^2 (rounded to one decimal place) Show more…
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