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Pp=ME*h
ME=5,8cm
h wyliczymy z pitegorassa
h^2+(1,3)^2=2^2
h^2=4-1.69
h=√2,31
Pp=2*5,8*√2,31
Pp=11,6*√2,31
Pb=5,8*5+2*5*2+3,2*5
Pb=29+20+16=65
Pc=11,6*√2,31+65
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