Răspuns :
0,41(6) = (416 - 41) /900 = 375/900 = 5/12
lungimea L=60√3cm, latimea l=5/12 cm
aria = L × l = 5/12 × 60√3= 25√3 cm²
aria = 25√3 cm²
lungimea L=60√3cm, latimea l=5/12 cm
aria = L × l = 5/12 × 60√3= 25√3 cm²
aria = 25√3 cm²