The Numerical Values of the circumference and area of a circle add up to 16.(adsbygoogle = window.adsbygoogle || []).push({});

Determine the radius to 4 sf.

Well so far me and my friend have been working on this and all of our results have been different to the final question, :<

We first tried to manipulate with the formula pi x r^2 = a without any success, it would be appreciated if someone could clarify this question.

Yes, maybe not a very hard question but it has confused us.

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# Homework Help: Calculus - Algebra question

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