Question

Find the surface area of each prism. Round your answer to the nearest tenth, if necessary. Do not include units in your answer (i.e. ft, in, cm, etc). (FR)

Answer 1

SOLUTION:

Case: Surface Area

Given:

8km by 5km by 3km

l by w by h

Method:

Surface Area,

$\begin{gathered} S.A=2[lb+bh+lh] \\ S.A=2[(8)(5)+(5)(3)+(8)(3)] \\ S.A=2[40+15+24] \\ S.A=2[79] \\ S.A=158\text{ }square\text{ }kilometers \end{gathered}$

Final answer: Without units

158