cbogrett
09.03.2021 •
Mathematics
At lunch Claire is drinking her juice out of an aluminum can She claims that if the radius of the can is doubled, the volume of the can will be greater than if the height of the can is doubled
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Ответ:
True
Step-by-step explanation:
Can is shaped in the form of a cylinder :
Volume, V of a cylinder = πr²h
Volume if radius is doubled and height remains the same :
r = 2r
V = π(2r)²h
V = 4πr²h
Volume if height is doubled and radius remains the same ;
V = πr²h
If h = 2h
V = 2πr²h
Radius doubled ; V = 4πr²h
Height doubled ; V = 2πr²h
Hence, volume of can is greater with Radius doubled than with height doubled.
Ответ: