July 2021
Intermediate to advanced
312 pages
11h 24m
English
Content preview from Make: Geometry
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9
CHAPTER 9
SURFACE
AREA AND
NETS
Make: Geometry 177
176 Chapter 9: Surface Area and Nets
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Surface area is the sum of the areas of all the faces (or curved surfaces) that make up an object. You can
think of it as the amount of wallpaper you would need to completely cover the surface. How might you
go about covering a curved surface smoothly with wallpaper? It gets a little tricky. Being able to calcu-
late the surface area of an object comes in ...