Help mình với ạ:The perimeter of a square is 4/5 dm. What the measure of each side.( Mik cần gấp ạ )

Question

uyenthu · Answer

$Change:  dfrac45 dm = 8 cm$   $ textrm{The measure of each side is:}$   $8:4=2(cm)=0,2(dm)$   $Conclusion:0,2(dm)$

maianhtu · Answer

edge of that square is :         4/5: 4 = 1/5 (dm)           Answer: 1/5 dm