max236524
max236524
17-07-2017
Mathematics
contestada
What is the volume of this?
Respuesta :
choixongdong
choixongdong
17-07-2017
The volume of a sphere = 4πr^3/3
The volume of a half of sphere = 2
πr^3/3 = 2 π (27)/3 = 18π
The volume of a cone= π r^2 h/3 = π (9)(8)/ 3 = 24 π
Total volume = 18 π + 24π = 42π = 42 x 3.14 = 131.9 cm^3
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