Răspuns :

Răspuns:

Aria ΔABC=AB·AC/2=96⇒AC=2·96/AB=2·96/12=16

AC=16 CM

AD-inaltime, D -intersectia inaltimii cu BC

⇒Aria ΔABC=96=AD·BC/2⇒AD=2·96/BC=2·96/20=9.6 cm

AD= 9.6 cm