Question

Find CSA and TSA of a hemisphere of radius 10cm

Answer 1

Answer:

CSA= 628cm^2

TSA=942cm^2

Step-by-step explanation:

Given : Radius =10 cm

now,

CSA of hemisphere= 2×pie R^2

= 2×3.14×100

=6.28×100

=628cm^2

Now,

TSA of hemisphere=3×pie×R^2

=3×3.14×100

=9.42×100

=942cm^2

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