Stosunek boków prostokąta o obwodzie 30 cmwynosi 3 : 2. oblicz pole tego prostokąta
3x---pierwszy bok
2x---drugi bok
2*3x+2*2x=30cm
10x=30cm x=3cm 3*3cm=9cm 2*3cm=6cm
P=9cm*6cm=54cm2
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3x---pierwszy bok
2x---drugi bok
2*3x+2*2x=30cm
10x=30cm
x=3cm
3*3cm=9cm
2*3cm=6cm
P=9cm*6cm=54cm2