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12 cards from this deck
Total area of all outer surfaces of a 3D object
3D shape unfolded and laid out flat
Surface area of 3D shape = total area of its net
4πr24\pi r^24πr2
Radius
πrl+πr2\pi rl + \pi r^2πrl+πr2
Slant height
2πrh+2πr22\pi rh + 2\pi r^22πrh+2πr2
2πrh2\pi rh2πrh
Combined area of both circular ends
2πr22\pi r^22πr2
3πr23\pi r^23πr2
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