manish55 manish55

09-03-2019
Mathematics

contestada

The total surface area of a Hemi sphere is 243pie cm^2 . find its volume.

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PeshwaBajirao42 PeshwaBajirao42

09-03-2019

T.S.A. of hemisphere = 3 π r^2

243 π = 3 π r^2

r^2 = 243/3 = 81

r =√81=9cm

Volume of hemisphere,

= 2/3 π r^3

=2/3 × 3.14 × 9 × 9 × 9

=1,526.04 cm^3

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