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10 cards from this deck
Total area of all outer surfaces of a 3D shape
Flat 2D pattern showing all surfaces of a solid spread out
Shows all faces at once, prevents missing surfaces
Sum the areas of all faces
6 faces (3 pairs of identical faces)
SA=2lb+2bh+2lhSA = 2lb + 2bh + 2lhSA=2lb+2bh+2lh
5 faces: 2 triangular + 3 rectangular
A = rac{1}{2}bh
A = rac{1}{2}(a + b)h
Square units (cm², mm², m²)
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