A right rectangular prism has a length of 8 centimeters, a width of 3 centimeters, and a height of 5 centimeters. What is the surface area of the prism? Enter your answer in the box. cm²
Mathematics · Middle School · Thu Feb 04 2021
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Given : length, l = 8cm
Width, w = 3cm
Height, h = 5cm
Formula Used : Surface Area = 2(lw + wh + hl)
Putting values of l,w and h, we get
= 2(8×3 + 3×5 + 5×8)
= 2(24 +15 + 40)
= 2(79)
= 158 cm²
Hence, the surface area of rectangular prism is 158 cm²