Răspunsuri

2014-11-01T10:47:49+02:00
Tringhiul ACB e dreptunghic=>m(BAC)+m(ACB)=90 grade
m(CAB)=8•m(ACB)=>8m(ACB)+m(ACB)=90 grade
m(ACB)=10 grade
m(CAB)=90 grade-10 grade=80 grade
cum ai aflat ca m (ACB )= 10 grade ?
8m(ACB)+m(ACB)= 9m(ACB). Și m(ACB)=90 grade/9=10 grade
multumesc frumos :)