Answer:
I don't know what you are talking about and where is the design, but here is the formula. Tell me if you need more help.
See below.
Step-by-step explanation:
Surface area formula for cylinder: A=2πrh+2πr2
Surface area formula for rectangle: A = 2wl + 2lh + 2hw
Surface area formula for rectangle prism: L* W* H
Surface area formula for circle: A = \pi r^2
Hope this helps.
