The formula for the surface area of a rectangular prism is 2lw + 2lh + 2wh, where l = length, w = width, and h = height.
Plugging in the given values:
2(9)(3) + 2(9)(4) + 2(4)(3)
= 54 + 72 + 24
= 150 in2
Therefore, the surface area of the rectangular prism is 150 in2.
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The surface area of a rectangular prism that has height of 4 inches, width of 9 inches and length of 3 inches = ____________ in2.
216
108
162
150
1 answer