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Yuki888 [10]
3 years ago
10

 The area of a circle is less than 1 dm². Find the radius of the circle. The area of a circle is less than 1 dm². Find the rad

ius of the circle.
it wants the answer to fit this:
The radius of the circle is less than _______ dm.
Mathematics
1 answer:
Ipatiy [6.2K]3 years ago
5 0
\bf \textit{area of a circle}\\\\
A=\pi r^2\qquad 
\begin{cases}
\textit{let's say the Area is 1 exactly}\\
A=1
\end{cases}\implies 1=\pi r^2
\\\\\\
\cfrac{1}{\sqrt{\pi }}=r

if you drop the radius to less than that, then the Area will also drop to less than 1 unit, in this case it happens to be a decimeter
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