a)
k-skala podobieństwa
k=7:3,5=2-skala podobienstwa trójkata Abc do trojkata a1b1c1
b)a1c1=3,5cm
a1b1=12cm:2=6cm
b1c1=8cm:2=4cm
Ob=6+4+3,5=13,5cm
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a)
k-skala podobieństwa
k=7:3,5=2-skala podobienstwa trójkata Abc do trojkata a1b1c1
b)a1c1=3,5cm
a1b1=12cm:2=6cm
b1c1=8cm:2=4cm
Ob=6+4+3,5=13,5cm