4x=podstawa P=1/2*4+1.5
4x+3=wysokość P=3.5
P=1/2(4x+4x+3)
P=4x+1,5
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4x=podstawa P=1/2*4+1.5
4x+3=wysokość P=3.5
P=1/2(4x+4x+3)
P=4x+1,5