Cylindrical solid

Find the surface area of the cylindrical solid whose radius is 7.7 cm and height is 12 cm.

Correct answer:

S =  953.0964 cm2

Step-by-step explanation:

r=7.7 cm h=12 cm  S1=π r2=3.1416 7.72186.265 cm2 S2=2π r h=2 3.1416 7.7 12580.5663 cm2  S=2 S1+S2=2 186.265+580.5663=953.0964 cm2

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