Oblicz pole trojkata rownoramiennego ktorego dlugos podstawy wynosi a, a ramienia b : a=9cm b=9cm
P=1/2 * a * h
P= 1/2 * 9 * 9
P=4,5*9
P= 40,5 cm2
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P=1/2 * a * h
P= 1/2 * 9 * 9
P=4,5*9
P= 40,5 cm2