Question

Ex1))))Aflati semiperimetrul triunghiului care are a)40cm b)53cm c)69cm



EX2)))) Aflati perimetrul unui triunghi care are semiperimetrul a)26cm b)37,5cm c)11,75.


DAU COROANAAAA

Answer 1

1)40÷2=20
53÷2=26,5
69÷2=34,5
2)26×2=52cm
37,5×2=75cm
11,75×2=23,5cm