Question

3. The total surface area of a hemisphere of radius 'R' is
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Answer 1

Total surface area of a solid hemisphere with radius r is, S=2πr2+πr2=3πr2.

Answer 2

Answer:

Here is the answer=>

Step-by-step explanation:

TSA of Hemisphere=>3πr^2 (r=radius)

☆For radius of R units=>3πR^2.

☞So 3πR^2 is the required answer.

HOPE IT HELPS.