Question 1048371
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<pre>
It is not a question.

It is the statement.

We used to answer more concrete questions.
</pre>

Nevertheless, 


there is a bunch of lessons in this site to this subject.


See the links in the file 

&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=https://www.algebra.com/algebra/homework/Surface-area/LESSONS-on-Surface-Area-of-3D-SOLID-BODIES.lesson>LESSONS on Surface Area of 3D SOLID BODIES</A> 


Each link will lead you to the corresponding lesson.


Read them and become an expert in the area.