daca triunghiurile sunt asemenea => [tex]\frac{AB}{MN} = \frac{BC}{NP} = \frac{1}{2}[/tex]
introducem valorile lui AB si BC
=> [tex]\frac{12}{MN} = \frac{1}{2} => MN =[/tex] 12× 2 ⇔ MN = 24 cm
iar [tex]\frac{16}{NP} = \frac{1}{2}[/tex] => NP = 16× 2 = 32 cm
