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  • 24-04-2016
  • Mathematics
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Find the volume of the object shown. Use 3.14 for pi. Round your answer to the nearest hundredth.

Find the volume of the object shown Use 314 for pi Round your answer to the nearest hundredth class=

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apologiabiology
apologiabiology apologiabiology
  • 24-04-2016
cut it up
1 cylinder and a half sphere

V cylinder=hpir^2
Vsphere=(4/3)pir^3

find each

H=7
r=4
sub

Vcylinder=7pi4^2
V=7pi16
V=112pi

Vsphere (multiply by 1/2 later)
V=(4/3)pi4^3
V=(4/3)pi64
V=(256/3)pi
V=85.33333333333333pi
multply by 1/2 since 1/2 sphere
V=42.6666666666pi

add them


Vclliner+1/2sphere=112pi+42.66666666666pi=154.666666666666pi
pi=3.14 for problem
Vtotal=485.6533333333333333333
hundreth

V=485.65 in^3

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