Find the total surface area of a hemisphere. whose radius is 7cm
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Answered by
8
Answer:
462
Step-by-step explanation:
Tsa of a hemisphere = 3 ×pi×r×r
Radius =R = 7 cm
Tsa of the hemisphere = 3×22/7×7×7
=Tsa of the hemisphere = 462 cm^2
462cm^2
Answered by
2
TSA = 2πr = 462 cm^2
Hope this helps....
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