Question

In triunghiul ABC , M apartine AB si MN || BC , N apartine AC . Calculati : a) AC , daca M apartine AB , AN+AC=24 si AB=14 , MB=10cm .... UrGent dau coroana imd

Answer 1

AM= AB-MB AM=14-10=> AM=4cm AN+AC= 24 Pe AC il putem scrie ca si AN+NC Deci AN+AN+NC=24 2AN+NC=24/:2 AN+NC=12 AN+NC= AC-> AC= 12 cm