Approximate 3145

The surface of the cylinder with a base diameter of 20 cm and a height of 0.3 m is approximate.

Correct answer:

S =  2513 cm2

Step-by-step explanation:

D=20 cm h=0.3 100=30 cm r=D/2=20/2=10 cm  S1=π r2=3.1416 102314.1593 cm2 S2=2π r h=2 3.1416 10 301884.9556 cm2  S=2 S1+S2=2 314.1593+1884.9556=2513 cm2



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