A cylinder is a 3D shape ... 3^2 + 2 \times \pi \times 3 \times 10 = 78\pi~cm^2 \) (in exact form) or 245 cm 2 (to 3 sig.fig). Notice that the calculation wasn't done until the end. If you work ...
A cylinder is a 3D shape ... 3^2 + 2 \times \pi \times 3 \times 10 = 78\pi~cm^2 \) (in exact form) or 245 cm 2 (to 3 sig.fig). Notice that the calculation wasn't done until the end. If you work ...
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