Math, asked by Aisha4265, 1 year ago

the total surface area of a hemishpere is 942 cm² Find its volume where π is 3.14

Answers

Answered by TheAishtonsageAlvie
8
Hey there!!

Total surface area of hemisphere = 942 cm^2
=> 2 × 3.14 r^2= 942
=> 6.28 r^2 = 942
=> r^2 = 942/6.28
=> r = √150
=> r = 12. 24...

volume of sphere = 2/3×3.14×12.24×12.24.×12.24

=3838.68..cm^3

hope this helps u !!

Aisha4265: im yet confused !
Answered by Sarah124
10
Hope this helps. You just have to go step-wise. The rest is easy.
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Aisha4265: thank you so much !! :)
Sarah124: no problem ;)
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