Surface Area = 2(lw) + 2(lh) + 2(wh)
2(15 x 3) + 2(15 x 4) + 2(3 x 4)
2(45) + 2(60) + 2(12)
90 + 120 + 24
234 mm^2
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A right rectangular prism has a length of 15 millimeters, width of 3 millimeters, and a height of 4 millimeters.
What is the surface area of the prism?
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