Răspuns :
Schema :
l×2+L×2
L-lungime
l-latime
P=perimetrul
rezolvare:
L-270 dam
l=270 dam-90 dam
l=180 dam
P=270 dam × 2 + 180 dam × 2
P=540 dam + 360 dam
P=900 dam
l×2+L×2
L-lungime
l-latime
P=perimetrul
rezolvare:
L-270 dam
l=270 dam-90 dam
l=180 dam
P=270 dam × 2 + 180 dam × 2
P=540 dam + 360 dam
P=900 dam