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16-01-2018
Mathematics

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find the area and the circumference of a circle with rafious 5 ft.

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Аноним Аноним

16-01-2018

area = pi r^2 = 25 pi = 78.54 ft^2 to 2 dec places
circumference = 2 pi r = 10 pi = 31.42 feet to 2 dec places

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