Răspuns :
L=lungime
l=latime
L=3*l
P=2*(L+l)=2*(3*l+l)=2*4*l=8*l
150=8l => l=150/8=18,75 cm
L=3*18,75=56,25 cm
Sper ca ai inteles!
l=latime
L=3*l
P=2*(L+l)=2*(3*l+l)=2*4*l=8*l
150=8l => l=150/8=18,75 cm
L=3*18,75=56,25 cm
Sper ca ai inteles!
l = latimea dreptunghiului
L= 3*l
⇒ P = 2*(L+l) = 150
⇵
3*l + l = 150:2
4*l = 75
l = 18,75(cm)
⇒ L = 3 * 18,75(cm) = 56,25(cm)
L= 3*l
⇒ P = 2*(L+l) = 150
⇵
3*l + l = 150:2
4*l = 75
l = 18,75(cm)
⇒ L = 3 * 18,75(cm) = 56,25(cm)