Răspunsuri

2014-03-05T18:27:26+02:00
V=L*l*h=l*l*h=l*l*2
A=16
====> l*l=8 ----> l=2 \sqrt{2}
Alat= 4l*h=4*2 \sqrt{2} *2=16 \sqrt{2}
<((ABC),(ABC`))=<(C`BC)=45