SOLUTION: 500 cylindrical cans without top lids and each 14 cm high with diameter 8 cm are to be made from a sheet of metal. Find in metre squared the total area that needs to be painted ext
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Question 889946: 500 cylindrical cans without top lids and each 14 cm high with diameter 8 cm are to be made from a sheet of metal. Find in metre squared the total area that needs to be painted externally.(Take pi as 3.14)Correct your answer to one decimal place Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! 500 cylindrical cans without top lids and each 14 cm high with diameter 8 cm are to be made from a sheet of metal. Find in metre squared the total area that needs to be painted externally.
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r = 4 cm = 0.04 meters
h = 0.14 meters
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Area of the bottom =
Lateral area =
