A circle has a area which …
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Preeti Dabral 1 year, 8 months ago
{tex}\begin{aligned} & \mathrm{A}_1=100 \mathrm{~A}_2 \\ & \Rightarrow \frac{\mathrm{A}_1}{\mathrm{~A}_2}=100 \\ & \Rightarrow \frac{\pi \mathrm{r}_1^2}{\pi \mathrm{r}_2^2}=100 \end{aligned}{/tex}
{tex}\begin{aligned} & \Rightarrow \frac{\mathrm{r}_1}{\mathrm{r}_2}=10 \\ & \text { So, } \frac{\mathrm{c}_1}{\mathrm{c}_2}=\frac{2 \pi \mathrm{r}_1}{2 \pi \mathrm{r}_2} \\ & =\frac{\mathrm{r}_1}{\mathrm{r}_2}=\frac{10}{1} \end{aligned}{/tex}
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