balaaditya1012 balaaditya1012

18-02-2020
Mathematics

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The radius of a solid hemisphere is 2r. Find its total surface area

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peachyoshy peachyoshy

18-02-2020

Answer:

Radius= 2r

Step-by-step explanation:

Surface area of hemisphere

=2 x 22/7 x (2r)^2

=44/7 x 4 r^2

=174/7 r^2

=25.14 r^2

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