Răspunsuri

2014-05-13T21:21:26+03:00
 cos=cateta alaturata/ipotenuza
 cos C=AC/BC -> BC=AC/cosC=6/0.6=10 cm
Aplicam teorema lui Pitagora;AB^2+AC^2=BC^2-> AB=8 cm
P=AB+BC+AC=8+10+6=24 cm
2014-05-13T21:24:49+03:00
CosC=3/5
3/5=6/BC
BC=30/3
BC=10

AC ^{2}+AB ^{2}  =BC ^{2}
36+AB ^{2} =100
AB ^{2} =100-36
AB ^{2} =64
AB=8


P=6+8+10
   =24