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Poloměr kružnice
Znáš průměr kružnice \( k \), jak velký bude poloměr kružnice?
\( \large d = 2xcm \)
\( \large r = \Large \frac{d}{5}\large = \Large \frac{{2x}}{5}\large = \frac{2x}{5}cm \)
\( \large r = \Large \frac{d}{2}\large = \Large \frac{{2x}}{2}\large = xcm \)
\( \large r = \Large \frac{d}{3}\large = \Large \frac{{2x}}{3}\large = \frac{2x}{3}cm \)
\( \large r = \Large \frac{d}{4}\large = \Large \frac{{2x}}{4}\large = \frac{x}{2}cm \)