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The volume of a cylindrical watering can is 100cm^3.If the raduis is doubled,then how much water can the new can hold?

1 Answer

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v(volume)=pi x r²
v/pi = r²
sqrt v/pi = r
this finds the radius, you can then calculate the new volume by doubling the radius
v=pi x (2r)² = 400cm³
User Igor Adamenko
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