The area of a circle is 58 square inches. Find the radius
area = pi*r2 so r = √(area/pi)
$${\mathtt{r}} = {\sqrt{{\frac{{\mathtt{58}}}{{\mathtt{\pi}}}}}} \Rightarrow {\mathtt{r}} = {\mathtt{4.296\: \!739\: \!856\: \!991\: \!561}}$$ square inches
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The answer is 4.2978294032706596485 rounded to the nearest tenth is 4.3.
