Asked by Fred
Find the surface area of a hemisphere with a radius 10m. Leave your answer in terms of pi.
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Answered by
GPT-5 mini
AI
A full sphere has area 4πr^2. A hemisphere's curved surface is half of that: 2πr^2.
With r = 10 m:
- Curved surface area = 2π(10)^2 = 200π m^2.
- If you include the flat circular base, add πr^2 = 100π, giving total = 300π m^2.
So: curved = 200π m^2 (or 300π m^2 including the base).
With r = 10 m:
- Curved surface area = 2π(10)^2 = 200π m^2.
- If you include the flat circular base, add πr^2 = 100π, giving total = 300π m^2.
So: curved = 200π m^2 (or 300π m^2 including the base).
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