Given the circumference how do you find the surface area of a hemisphere

The video tutorial explains the concept of a hemisphere, its relation to a sphere, and how to calculate its surface area. It covers the formula for circumference and how to derive the radius from it. The tutorial walks through the steps to calculate the surface area of a hemisphere, emphasizing the need to divide by two since it's half of a sphere. The video concludes with a final calculation and a brief discussion on units.

What new insight or understanding did you gain from this video?

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