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Question

Question 3
Find the total surface area of a hemisphere of radius 10 cm.
[Use π=3.14]

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Solution

Radius (r) of hemisphere = 10 cm

Total surface area of hemisphere = CSA of hemisphere + Area of circular base of Hemisphere.
=2πr2+πr2=3πr2=[3×3.14×(10)2]cm2=942 cm2


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