If the total surface area of a hemisphere is 27πcm2,find its diameter
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Answer:
Step-by-step explanation:
TSA of hemisphere=27 πcm2
3πr2=27π
πgets cancelled
3.r2=27
r2=27/3
r2=9
r=√9
r=3
Diameter=2r
D=3.2
D=6
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