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OpenStudy (anonymous):
Devin won a tiny bouncy ball at the school carnival. The diameter of the ball is 1.25 inches. To the nearest hundredth of a square inch, what is the surface area of the ball? Use 3.14 for pie
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OpenStudy (callisto):
assume it is a perfect sphere surface area = 4(pi)r^2 = 4(pi)(diamter/2)^2, can you substitute the number and work out the answer yourself?
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