Răspunsuri

2014-02-28T18:22:37+02:00
13*4=52 cm. succes. ms.pwp. 
  • Utilizator Brainly
2014-02-28T18:24:03+02:00
Diagonalele unui romb sunt perpendiculare ⇒ l²=(d1/2)²+(d2/2)²=144+25=169 ⇒ l=13 cm.
P=4l=52 cm.