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- Math is practiced one day in the sixth grade.
Math is practiced one day in the sixth grade.
Make a small flag, and the figure produced by rotating the flag with a stick is a cylinder with a surface area of 226.08.
superficial area
= side area+two bottom areas.
=2×3. 14×4×5+3. 14×4? ×2
= 125.6+ 100.48
=226.08
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