Given:
Given a rectangular prism and its net.
Required: Surface area
Explanation:
(a) From the rectangular prism,
[tex]A=9\text{ mm},B=2\text{ mm},C=\text{5 mm,}D=5\text{ mm}[/tex]
(b) Surface area
[tex]\begin{gathered} =AB+AD+BC+BC+AB+AD \\ =9\cdot2+9\cdot5+2\cdot5+2\cdot5+9\cdot2+9\cdot5 \\ =18+45+10+10+18+45 \\ =146 \end{gathered}[/tex]
Final Answer: The surface area of the rectangular prism is 146 square millimeters.
