Cans

How many m2 of metal sheet is needed to produce 20,000 cans in the shape of a cylinder with a base radius and a height of 5 cm.

Correct answer:

x =  628.3 m2

Step-by-step explanation:

r=5 cm h=r=5 cm  S1=2π r2+2π r h=2 3.1416 52+2 3.1416 5 5314.1593 cm2 N=20000  S=N S1=20000 314.15936283185.3072 cm2  x=S m2=S/10000  m2=6283185.3072/10000  m2=628.3 m2



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