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Pp=1/4*a²√3
Pp=1/4*4√3
Pp=√3
wysokośc sciany bocznej:
h²+1²=5²
h²=24
h=2√6
Pb=3* 1/2*a*h
Pb=3* 1/2*2*2√6
Pb=6√6
Pc=√3+6√6