pole trojkata o wys 3 cm jest rowne polo prostokata bo kokach 6 i 2 cm oblicz dlugosc podstawy na ktore zostala opuszczona ta wysokosc
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Pp = a * b
Pp = 6 cm * 2 cm
Pp = 12 cm²
Pt = a * h / 2
a = Pt / h * 2
a = 12 cm² / 3 cm * 2
[a] = cm² / cm = cm
a = 4 cm * 2
a = 8 cm