total surface area of a hemisphere of base 7 cm
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0
diameter=7cm
radius=d/2=7/2=3.5
TSA of hemisphere=3πr^2
=3x22/7x3.5^2
=3x22/7x12.25
=115.5 sq. cm.
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radius=d/2=7/2=3.5
TSA of hemisphere=3πr^2
=3x22/7x3.5^2
=3x22/7x12.25
=115.5 sq. cm.
hope it hlpzzz u dosth!!!!!!!!!
follow me..........
Answered by
4
TSA=3πr². 3×22/7×(3.5)²=115.5
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