h=6√3cm
H=10cm
h=a√3/2
a√3/2=6√3
a=2*6√3/√3
a=12
Pc=2Pp+Pb
Pc=2*a²√3/4+3a*H=a²√3/2+3aH
Pc=12²√3/2+3*12*10=144√3/2+360=72√3+360
Pc=72(√3+5)cm²
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h=6√3cm
H=10cm
h=a√3/2
a√3/2=6√3
a=2*6√3/√3
a=12
Pc=2Pp+Pb
Pc=2*a²√3/4+3a*H=a²√3/2+3aH
Pc=12²√3/2+3*12*10=144√3/2+360=72√3+360
Pc=72(√3+5)cm²