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Pp=4*4= 16j²
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I teraz z twierdzenia Pitagorasa :
2² + h² = 10²
4 + h² =100
100-4=h²
96=² / √
h= √96
h= √4*24
h= 2√24
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PΔ= (1/2)*a*h
PΔ= (1/2)*4*2√24
PΔ= (1/2)*8√24
PΔ=4√24
Pb= 4*4√24
Pb=16√24
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Pc = Pp+Pb
Pc= 16+ 16√24 j²