Mathematics, 10.02.2021 08:10, elpeke102p73fz3

2) The diameter of a circular piece of steel is 7cm. When heated the diameter increases in size by 11%. Find the area of the piece of steel after it has been heated. What is the difference between the two areas, before and after it has been heated?

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2) The diameter of a circular piece of steel is 7cm. When heated the diameter increases in size by 1...