Question

Va rog dau coroana!!!!!!!!!!!!!!!!!​

Answer 1

Răspuns:

2.P=4l

36=4l

l=36:4

l=9cm

3.P=4l

P=4*7

P=28cm

4.P=2(L+l)

24=2*(8+l)

24=16+2l

2l=24-16

2l=8

l=8:2

l=4

5.P=a+b+c

l1=124

l2=124:2=>l2=62m

325=124+62+c

c=325-124-62=>

l3=139m

6.P=2(L+l)

l=67m

L=125+67=>L=192m

P=2(192+67)

P=384+134

P=518m