A closed circular cylinder has diameter 20cm and height 30cm. Find the total surface area of the cylinder.
Answers
Answered by
2
Answer:
diameter 20
radius 10 cm
surface area of cylinder 2pie rh + pie r²
2200cm² ans
Answered by
1
Answer:
2513.27412 cm^2
Step-by-step explanation:
The entire formula for the surface area of a cylinder is 2 π r2 + 2 π r h
r=d/2 value of pi is 3.14
r=10
A=2πrh+2πr2
=2·π·10·30+2·π·102
=2513.27412 cm^2
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