Find The Volume Of A Triangular Prism Whose Base Is Regular With Sides That Measure 8cm And Whose Height Is 12cm?

The area of an equilateral triangle is (√3)/4 times the square of the side length. Your prism's volume is
  v = (√3)/4*(8 cm)^2*(12 cm)
  v = 192√3 cm^3
  v ≈ 332.6 cm^3