Odpowiedź :
Z rysunku:
x√2 = 3√10
x = 3√5
O = 4x + x√2 = 12√5 + 3√10 (j)
P = [tex]\frac{(x+2x)*x}{2} = \frac{3x*x}{2} = \frac{9\sqrt{5} * 3\sqrt{5} }{2} = \frac{135}{2}[/tex] (j²)
Pozdrawiam
Z rysunku:
x√2 = 3√10
x = 3√5
O = 4x + x√2 = 12√5 + 3√10 (j)
P = [tex]\frac{(x+2x)*x}{2} = \frac{3x*x}{2} = \frac{9\sqrt{5} * 3\sqrt{5} }{2} = \frac{135}{2}[/tex] (j²)
Pozdrawiam