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gdzie h=a√3/2
P=36√2 cm²
H tego trójkąta=?
H²+(1/2 a)²=(a√3/2)²
H²+1/4 a²=a²*3/4
H²=1/2 a²
H=√2/2 a
P=1/2*a*√2/2 a
1/2*a*√2/2 a=36√2 /:√2
1/4 a²=36
1/2 a=6
a=12 cm
h=12√3/2=6√3
R=2/3h=2/3*6√3=4√3
Hczw=?
Hczw²+R²=a²
Hczw²+(4√3)²=12²
Hczw²+48=144
Hczw²=96
Hczw=4√6
Pp=12²√3/4
Pp=144√3/4
Pp=36√3
V=1/3Pp*Hczw
V=1/3*36√3*4√6
V=12√3*4√6
V=48√18
V=144√2 cm³