Verified Answer :

doctorwhomaniam

A = \(\pi*r^{2}\)
50 = \(\pi*r^{2}\)
\(r^{2}\) = \(\frac{50}{ \pi }\)
r = \(\sqrt{ \frac{50}{ \pi } }\)
d = 2*r
d = 7.97884....
≈8 (1.s.f)

8 meters is the answer

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