Răspuns :
Care este semiperimetrul?
60:2=30
Grafic
L._____._____.
l ._____.
Total 30 cm
Cati cm are latimea?
30:3=10
Cati cm are lungimea?
30-10=20
60:2=30
Grafic
L._____._____.
l ._____.
Total 30 cm
Cati cm are latimea?
30:3=10
Cati cm are lungimea?
30-10=20