What is the side length of a cube that has a surface area of $600$600 cm2 .
Each face of a cube has an area of $64$64 cm2.
Find the height $h$h mm of this closed cylinder if its surface area ($S$S) is $27288$27288mm2 and the radius ($r$r) of its circular faces is $43$43mm.
A square pyramid has a surface area of $310$310 cm2. The area of its square base is $25$25 cm2.