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10 questions from this quiz
Total area covering all outer surfaces
121212 cm
SA=2πrhSA = 2\pi rhSA=2πrh
SA=2πr2+2πrhSA = 2\pi r^2 + 2\pi rhSA=2πr2+2πrh
SA=4πr2SA = 4\pi r^2SA=4πr2
SA=2πr2SA = 2\pi r^2SA=2πr2
SA=3πr2SA = 3\pi r^2SA=3πr2
Open has only curved surfaces; closed has all
314314314 cm²
Calculate one object first, then multiply
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