3.14
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Circumference of circle: 2*pi*4.9 = 30.788 rounded to 3 decimal places
It is already at 2 decimal places
Circumference of 14 inch radius circle: 2*pi*14 = 28*pi inches or about 87.96 inches rounded to two decimal places
pi*r2 = 144 m2 => radius = 6.770275003 m circumference = 2*pi*6.770275003 = 42.539 m (rounded to 3 decimal places)
Entire surface area = (2*pi*52)+(pi*10*15) = 628.319 square inches rounded to 3 decimal places