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Obliczenia:
P = a*h/2
P = 48 cm kw.
a = 10 cm
h = ?
h = 2P/2 = 2*48 cm kw/2 = 96 cm kw./2 = 48 cm
48cm2 = 10cm*h/2
96cm2 = 10cm*h
h = 96cm2:10cm = 9,6cm
c) 9,6cm
Proszę bardzo ;)