write the formula for finding the curved surface area of a hemisphere of radius r
Answers
Answered by
1
Answer:
curved surface area of hemisphere= 2πr^2
Answered by
2
Answer:
Answer is 2:3
Step-by-step explanation:
∴Curved surface area of hemisphere
=2πr²
∴Total surface area of hemisphere
=3πr²
∴Ratio between them
2πr²:3πr²
i.e: 2:3
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