Surface area 8

What is the surface area of a cylinder if the diameter is 15m height is 7m?

Correct answer:

S =  683.2964 m2

Step-by-step explanation:

D=15 m h=7 m  r=D/2=15/2=215=7.5 m  S1=π r2=3.1416 7.52176.7146 m2 S2=2π r h=2 3.1416 7.5 7329.8672 m2  S=2 S1+S2=2 176.7146+329.8672=683.2964 m2

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