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OpenStudy (anonymous):
What is the diameter of a circle with area equal to one-hundred sixty nine pi meters squared?
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OpenStudy (anonymous):
\[\large A = 169 \pi \Rightarrow 169\pi = \pi \times (radius)^2 \Rightarrow 169=(radius)^2 \Rightarrow 13 = radius \]
OpenStudy (anonymous):
can you find the diameter from here?
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