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The math problem in the sixth grade of primary school, I am 2.47, what's the matter? Voice interpretation.
Bottom radius: 0.6÷2 = 0.3m;;

Area to be painted:

3. 14×0.6× 1+3. 14×0.3×0.3×2

= 1.884+0.5652

=2.4492 square meters

About the required paint: 0.2×2.4492≈0.49 (kg)