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12-06-2016
Mathematics

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A paint can holds 2.5 litres. (1 litre=1000cm^3)
The height is 15cm. What is the radius of the can?

Respuesta :

13-06-2016

the volume of the can = area x height
2500 = pi*r^2 * 15
r^2 = (2500)/(pi*15)
r = √((2500)/(pi*15))
r = 6.86 cm
the radius of the can is 6.68 cm

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