Question

ma ajutati plis va rog mult dau Corona​

Answer 1

Răspuns:

a) P=28×4=112cm

b) P=(86×2)+(43×2)=> P=172+86=>P=258cm

Answer 2

$p \: patrat = l \times 4 = 28 \times 4 = 112cm \\ p \: dreptunghi = latime \times 2 + lungime \times 2 = \\ 86 \times 2 + 43 \times 2 = 172 + 86 = \\ 258cm$