Question

va rog repede vreau sa ma verific ca am facut corect aceasta​ problema

Answer 1

Răspuns:

0.035 ha=350 m²

350=a²+(2a)²+(4a)²

350=a²+4a²+16a²

350=21a²  /:21

50/3=a²

deci, a1=$\sqrt{} \frac{50}{3}$=5√2/√3=2√15/3,

iar a2= -2√15/3