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Faris_Waleed
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First of all you know that the formula for calculating the volume of a cylinder is:
V=pi*r(square)*height
Sunshine447
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yeah
Faris_Waleed
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OK, you have the radius and height for the small pipe and the height for the large pipe but you don't have the radius you need in order to calculate the volume, understood till here now?
Faris_Waleed
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Did you understand ?
Sunshine447
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u have to make a ratio, right?
Faris_Waleed
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Yes like this:
Height in the small pipe / Height in the large pipe = Radius in the small pipe / Radius in the large pipe
Faris_Waleed
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Height in the small pipe = 48 cm
Height in the large pipe= 60 cm
Radius in the small pipe = 16 cm
Radius in the large pipe= xcm Understood till here now?
Faris_Waleed
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Now solve for x which will give you the radius of the large pipe
Sunshine447
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cross multiply?
Faris_Waleed
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yes
Sunshine447
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okay, hold on
Sunshine447
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12.8?
Sunshine447
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wait... its 20
Faris_Waleed
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Look,
16/x = 48/60
16*60*48*x
960=48x
x=960/48
x=20
Sunshine447
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so, then i multiply 20 by height?
Sunshine447
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@Faris_Waleed
Sunshine447
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@AccessDenied
Faris_Waleed
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Yes you use the cylinder formula to calculate its volume
Sunshine447
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i got 1200..... but that's not a choice...
Sunshine447
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@CliffSedge
CliffSedge
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What is the radius of the large pipe?