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?

Final 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⋅ 5≐314.1593 cm2 N=20000  S=N⋅ S1​=20000⋅ 314.1593≐6283185.3072 cm2  x=S→ m2=S:10000  m2=6283185.3072:10000  m2=628.3 m2=628.3 m2

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