A cura di: Antonio Bernardo
![geo-1556.png geo-1556.png](https://www.studentville.it/app/uploads/media/matematicamente/images/stories/esercizi/geo-1556.png)
$bar{AC}=bar{BC}=2/3 bar{AB} +20cm$
pongo $bar{AB}=x$
$bar{AC}=2/3 x +20cm$
Il perimetro $x+2(2/3 x+20)=96cm$
$x+4/3 x +40=96$
$3x+4x+120=288$
$7x=168$
$x=168/7=24cm$
- Geometria biennio superiori
A cura di: Antonio Bernardo
$bar{AC}=bar{BC}=2/3 bar{AB} +20cm$
pongo $bar{AB}=x$
$bar{AC}=2/3 x +20cm$
Il perimetro $x+2(2/3 x+20)=96cm$
$x+4/3 x +40=96$
$3x+4x+120=288$
$7x=168$
$x=168/7=24cm$