Coboram,din,A,perpendiculara,pe,BC,si,notam,cu,M,piciorul,acesteia
In,tr.dr.AMC,avem,m(MAC)=180-60-90=30
=>cat.opusa,ungh,de,30=ipotenuza/2=>MC=AC/2=>MC=3cm
Cu,t.Pit.
AM²+MC²=AC²=>AM²=36-9=>AM²=27=>AM=3√3
Din,celalalt,tr.dr.AMB,aflam,segm.BM
BM²+AM²=AB²=>BM²=72-27=>BM²=50=>BM=5√2
=>Baza,BC=5√2+3
Aria=bxh/2
Aria=(5√2+3)x3√3/2=3√3(3+5√2)/2
Perim=6√2+6+5√2+3=11√2+9
