Polomer kružnice vpísanej do kosoštvorca

\( v_{c}^{2} = c_a + c_{b} \)
\( v_{c}^{2} = 28 + 36 \)
\( v_{c} = \sqrt{64} \)
\( \normalsize v_{c}\doteq8m \)
\( v_{c}^{2} = c_a \times c_{b} \)
\( v_{c}^{2} = 28 \times 28 \)
\( v_{c} = \sqrt{784} \)
\( \normalsize v_{c}\doteq28m \)
\( v_{c}^{2} = c_a / c_{b} \)
\( v_{c}^{2} = 36 / 28 \)
\( v_{c} = \sqrt{1.2857} \)
\( \normalsize v_{c}\doteq1.13m \)
\( v_{c}^{2} = c_a · c_{b} \)
\( v_{c}^{2} = 28 · 36 \)
\( v_{c} = \sqrt{1\ 008} \)
\( \normalsize v_{c}\doteq31,7m \)