The sum of the areas of all the surfaces (faces) of a three-dimensional figure. S.A. = Area of the 2 circles + Area of the circumference times the height2πr² + 2πrh

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1. The sum of the areas of all the surfaces (faces) of a three-dimensional figure. S.A. = Area of the 2 circles + Area of the circumference times the height
2πr² + 2πrh
Image: Surface Area of a cylinder