Until 2014, the mass of a kilogram was defined as exactly equal to the mass of a special
plati...
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Mathematics, 04.05.2020 22:50 copelandgarret9972
Until 2014, the mass of a kilogram was defined as exactly equal to the mass of a special
platinum-iridium cylinder kept in Sèvres, France. The cylinder's diameter and height are
both 39.2 millimeters.
What is the surface area of this cylinder?
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