Container 7939

What diameter will a 20 cm high cardboard juice container have to fit half a liter?

Correct answer:

D =  0.5642 dm

Step-by-step explanation:

h=20 cm dm=20:10  dm=2 dm V=0.5 l dm3=0.5 1  dm3=0.5 dm3  S=V/h=0.5/2=41=0.25 dm S = π r2  r=S/π=0.25/3.14160.2821 dm D=2 r=2 0.2821=0.5642 dm



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