Odpowiedź:
P∆ = a•h/2
P= 8•4/2= 32/2= 16cm²
P rombu= e•f/2
P= 6,2•5/2=31/2= 15,5 cm²
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Odpowiedź:
P∆ = a•h/2
P= 8•4/2= 32/2= 16cm²
P rombu= e•f/2
P= 6,2•5/2=31/2= 15,5 cm²