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Question Number 193052 by a.lgnaoui last updated on 02/Jun/23

$$\mathbf{determiner}\mathbf{la}\mathbf{valeur}\mathbf{de}\mathbf{r}$$

Commented by a.lgnaoui last updated on 02/Jun/23

Answered by deleteduser1 last updated on 02/Jun/23

$$r\left(\frac{5+4+3}{2}\right)=\frac{1}{2}\left(4\times 3\right)\Rightarrow r=1$$

Commented by a.lgnaoui last updated on 02/Jun/23

$$\mathrm{detail}\mathrm{calcul}?$$

Commented by deleteduser1 last updated on 02/Jun/23

$$Areaof\mathrm{\Delta }=rs=\frac{1}{2}bh(s=\frac{perimeter}{2})$$

Commented by a.lgnaoui last updated on 03/Jun/23

$$\mathrm{thanks}$$

Answered by Subhi last updated on 02/Jun/23

$$x+y=4$$$$y+z=3$$$$x+z=5$$$$4-x+z=3\Rrightarrow z=x-1$$$$2x-1=5\Rrightarrow x=3$$$$y=1$$$$z=2$$$$radius=y=1$$

Commented by Subhi last updated on 02/Jun/23

Commented by a.lgnaoui last updated on 02/Jun/23

$$\mathrm{exact},\mathrm{thank}\mathrm{you}$$

Commented by Subhi last updated on 02/Jun/23

$$Youarewelcome$$

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