V=Sосн*hSосн=a^2=35*35*2=2450
AC=AD*корень и. 2=70
ac=ao/2
So=12
v=2450*12/3=9800
Sосн=a^2=35*35*2=2450
AC=35 √2*√2 =70
АО=АС/2=35
SО=√1369-1225=12
