Question

ma poate ajuta cineva ?

Answer 1

perimetrul=(L×l)×2
primul nr=a
al doilea nr =b
a=2b
(2b+b)×2=60
4b+b=60
5b=60
b=60÷5
b=12
a=12×2
a=24
sau cu segmente
▪--------------▪--------------▪ } 30
▪--------------▪ }
60:2=30 (semiperimetru)
30:3=10 (b)
10×2=20 (a)