A hemisphere is a 3D shape that is half of a sphere's volume and surface area. The surface area of a hemisphere comprises both the curved region and the base area combined. Learn how to calculate the surface area of a hemisphere , a three-dimensional shape that is half of a sphere. Find the formulas for the curved surface area, the total surface area, and the hollow hemisphere . The formula to calculate the total surface area ( TSA ) of a hemisphere with radius ‘r’ is given as, TSA of hemisphere = 3πr 2 Example: Find the curved surface area of a hemisphere with radius 7 units. Understand the area of a hemisphere with clear definitions, step-by-step formulas, and solved examples. Learn how to calculate curved and total surface area easily at Testbook!

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