Naloge

$x^2=c^2-\left( \frac{e}{2} \right) ^2$

$x^2=(10\,\rm{cm})^2-\left( \frac{16\,\rm{cm}}{2} \right) ^2$ 

$x^2=100\,\rm{cm}^2-(8\,\rm{cm}) ^2$

$x^2=100\,\rm{cm}^2-64\,\rm{cm} ^2$

$x^2=36\,\rm{cm}^2$

$x=6\,\rm{cm}$

$y^2=a^2-\left( \frac{e}{2} \right) ^2$

$y^2=(17\,\rm{cm})^2-\left( \frac{16\,\rm{cm}}{2} \right) ^2$ 

$y^2=289\,\rm{cm}^2-(8\,\rm{cm}) ^2$

$y^2=289\,\rm{cm}^2-64\,\rm{cm} ^2$

$y^2=225\,\rm{cm}^2$

$f=x+y=6\,\rm{cm}+15\,\rm{cm}=21\,\rm{cm}$

$a^2=\left( \frac{e}{2} \right) ^2+y^2$

$a^2=(20\,\rm{mm}) ^2+(99\,\rm{mm})^2$

$a^2=400\,\rm{mm} ^2+9\,801\,\rm{mm}^2$

$a^2=10\,201\,\rm{mm} ^2$ 

$a=101\,\rm{mm}$

$c^2=\left( \frac{e}{2} \right) ^2+x^2$

$c^2=(20\,\rm{mm}) ^2+(21\,\rm{mm})^2$

$c^2=400\,\rm{mm} ^2+441\,\rm{mm}^2$

$c^2=841\,\rm{mm} ^2$