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Byju's Answer
Standard IX
Mathematics
T.S.A of a Hemisphere
Find the tota...
Question
Find the total surface area of a hemisphere of radius
10
cm.
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Solution
Total Surface Area
=
CSA of hemisphere
+
Area of circular end of hemisphere
=
2
π
r
2
+
π
r
2
=
3
π
r
2
=
[
3
×
3.14
×
10
2
]
cm
2
=
942
cm
2
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Find the total surface area of a hemisphere of radius 10 cm.