SOLUTION: Please find the surface area to correct 1 decimal place: (show all working) http://imgur.com/LsxCuyT

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Question 1021592: Please find the surface area to correct 1 decimal place: (show all working)
http://imgur.com/LsxCuyT
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
2 rectangles are 20 by 40 = 2*800 = 1600 sq cm
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The lateral area of a cylinder = 2pi%2Ar%2Ah+=+1600pi
Each end is pi%2Ar%5E2+=+400pi
400pi+%2B+1600pi+=+2000pi for a complete cylinder
This part is %2840%2F360%29%2A2000pi+=+2000pi%2F9 sq cm
Total = 1600+%2B+2000pi%2F9 sq cm