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OpenStudy (anonymous):
If a spherical ball is enlarged so that its surface area is 9 times greater than its original surface area, then the original radius was multiplied by _________.
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OpenStudy (mathstudent55):
Let me draw something for you to explain this problem.
OpenStudy (anonymous):
ok
OpenStudy (mathstudent55):
|dw:1375826448465:dw|
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