1103077206

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1103077206
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The circumference of a semicircle is \( 10\,\mathrm{cm} \). Find its radius.
\( \frac{10}{\pi+2}\,\mathrm{cm} \)
\( \frac{10}{\pi}\,\mathrm{cm} \)
\( \sqrt{\frac{10}{\pi}}\,\mathrm{cm} \)
\( \frac{10}{\pi+1}\,\mathrm{cm} \)