Răspunsuri

2014-05-02T16:32:10+03:00
A)P=4l=24
4l=24
l=24/4
l=6

b)P=2l+2L=24
l=5

2*5+2L=24
10+2L=24
2L=24-10
2L=14
L=14/2
L=7


2014-05-02T16:35:06+03:00
Patratul are 4 laturi.Perimetrul inseamna suma lungimilor laturilor.
a)24/4=6(cm).
b)5*2=10
24-10=14
14/2=7(cm)