Question Number 190611 by a.lgnaoui last updated on 07/Apr/23
$$\mathrm{Montrer}\:\mathrm{que}: \\ $$$$\mathrm{1}\bullet\boldsymbol{\mathrm{c}}^{\mathrm{2}} =\boldsymbol{\mathrm{a}}^{\mathrm{2}} +\boldsymbol{\mathrm{b}}^{\mathrm{2}} \\ $$$$\mathrm{2}\bullet\:\mathrm{rayon}\:\:\:\:\:\boldsymbol{\mathrm{r}}=\frac{\boldsymbol{\mathrm{c}}}{\mathrm{1}+\sqrt{\mathrm{2}}}−\frac{\boldsymbol{\mathrm{a}}+\boldsymbol{\mathrm{b}}}{\mathrm{2}+\sqrt{\mathrm{2}}} \\ $$$$ \\ $$
Commented by a.lgnaoui last updated on 07/Apr/23
Commented by a.lgnaoui last updated on 07/Apr/23
$$\mathrm{OCDE}\:\:\:\mathrm{Squart}\:\:\:\:\:\mathrm{O}:\:\mathrm{centre}\:\mathrm{of}\:\mathrm{circle} \\ $$