MN||BC
a)AN=?
b)AC=?
![MNBC AAN BAC class=](https://ro-static.z-dn.net/files/d38/5a83cb9a47f598655b397e602f57ae46.png)
Răspuns:
AM/MB=AN/NC ; 16/20=AN/40 ; AN=16*40/20=16*2=32 ; AC=32+40=72
Explicație pas cu pas: