Question

varog frumos ofer 40 puncte am nevoie urgent.Pr.26,28,doar 2 varog​

Answer 1

26. P=32 cm

L=x+4

l=x

P=2l+2L

P=2(l+L)

P=2(x+x+4)

P=2(2x+4)

32 cm=4x+8 cm

4x=32-8 cm

4x=24 cm

x=24:4 cm

x=6 cm( lățimea)

6+4=10 cm( Lungimea)

28. P=30 cm

L=x+3

l=x

P=2l+2L

P=2(l+L)

P=2(x+x+3)

P=2(2x+3)

30 cm=4x+6 cm

4x=30-6 cm

4x=24 cm

x=24:4 cm

x=6 cm( lățimea)

6+3=9 cm( Lungimea)