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How to calculate the area of the cylinder in the second book of mathematics in the sixth grade of primary school
The cylinder has a surface area, a side area and a bottom area.

Second, the formula:

1, the bottom area of the cylinder = pi × the square of the bottom radius;

2. lateral area of cylinder = perimeter of bottom × height = pi × diameter × height;

3. Cylinder surface area =2× cylinder bottom area+side surface area = 2×π× radius square+π× diameter× height.