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What is the Curved Surface Area of a Hemisphere? Curved surface area of a hemisphere is defined as the area covered by the curved surface. In other words, the area of the outer surface of the hemisphere. The curved surface area of the hemisphere is expressed in square units, using units like m 2, cm 2, ft 2, yd 2, etc. Surface Area of a Hemisphere The surface area of a hemisphere is defined as the region covered by the faces of the hemisphere. The total surface area of a hemisphere includes the curved surface area and the base area of the hemisphere. Let us learn more about the total surface area of a hemisphere and the curved surface area of a hemisphere along with solved examples. The area of a hemisphere is the total space covered by its surface. There are two types of areas for a hemisphere: Curved Surface Area (CSA): This is the area of only the round curved part of the hemisphere, without including the flat base. The formula for this is: CSA = 2πr² Curved surface area of a hemisphere refers to the area of the outer dome minus the base. The formula for CSA is: Curved Surface Area = 2πr2. The total surface area of a hemisphere covers the curved surface and the flat base. The formula for TSA is: Total Surface Area = 3πr2.
