ALPHABET123ABC
ALPHABET123ABC ALPHABET123ABC
  • 12-06-2016
  • Mathematics
contestada

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

Respuesta :

Tareki
Tareki Tareki
  • 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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