Răspunsuri

2014-09-25T20:11:44+03:00
√169=13(latura baza)
diagonala=13√2
h=13√2x2
h=26√2
a)aria totala=aria laterala + 2 x aria baza
aria laterala=perimetrul bazei x inaltime=(13x4)x26√2
aria totala=1352√2+169
aria totala=169(8√2+1) metrii sarma
b)volumul=aria baza x inaltime
volumul= 169x26√2
volumul=4394 litrii