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26-08-2017
Mathematics

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find the area and the circumference of a circle with diameter 9 yards using the value 3.14 for pi

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Аноним Аноним

26-08-2017

area of circle = pi r^, (r)radius is half the diameter so 9÷2=4.5 so in this scenario it would be 3.14×4.5^
3.14×4.5×4.5=63.6

circumference of circle= diameter×pi (3.14)
so 9×3.14=28.3

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