Prostokąt A o wymiarach 6cmx3cm jest podobny do prostokąta B o obwodzie 27 cm. Oblicz wymiary prostokąta B.
6cm+3cm=9cm
27cm/2=13,5cm
13,5cm/9cm=1,5
6cm*1,5=9cm
3cm*1,5=4,5cm
obw prostokata A = 6+6+3+3=18
obw prostokata b = 27 cm
dwa boki prostokata B (bok a + b) = 27 : 2 = 13,5
stosunek bokow prostokata A = 6:3 = 2:1
stosunek bokow prostokata B = a:b = 2:1 = 9:4,5
9+4,5 = 13,5
odp: boki prsotokata A = 6 i 3
boki prostokata B = 9 i 4,5
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6cm+3cm=9cm
27cm/2=13,5cm
13,5cm/9cm=1,5
6cm*1,5=9cm
3cm*1,5=4,5cm
obw prostokata A = 6+6+3+3=18
obw prostokata b = 27 cm
dwa boki prostokata B (bok a + b) = 27 : 2 = 13,5
stosunek bokow prostokata A = 6:3 = 2:1
stosunek bokow prostokata B = a:b = 2:1 = 9:4,5
9+4,5 = 13,5
odp: boki prsotokata A = 6 i 3
boki prostokata B = 9 i 4,5