S△abc=S△hmn=3×4×(1/2)=6
S(agfd)=ad×df=3×6=18
S(bhne)=bh×hn=4×6=24
ab^2=ac^2+bc^2 ab=5
S(aghb)=ag×gh=5×6=30
S(全部)=S△abc+S△hmn+S(agfd)+S(bhne)+S(aghb)
=6+6+18+24+30
=84
够全了吧 给个最佳哦~
S△abc=S△hmn=3×4×(1/2)=6
S(agfd)=ad×df=3×6=18
S(bhne)=bh×hn=4×6=24
ab^2=ac^2+bc^2 ab=5
S(aghb)=ag×gh=5×6=30
S(全部)=S△abc+S△hmn+S(agfd)+S(bhne)+S(aghb)
=6+6+18+24+30
=84
够全了吧 给个最佳哦~