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

Answered on

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