The radius of the bottom of a cylinder is 6cm and the height is 10cm. Its side expansion is () shape. The perimeter of the expansion is () and the area is () A good reward

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The bottom radius of a cylinder is 6cm and the height is 10cm. Its side expansion is (rectangular)
The circumference is: 2 × (2 × 3.14 × 6 + 10) = 95.36 (CM)
Area: 2 × 3.14 × 6 × 10 = 376.8 (square centimeter)

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