Răspuns :
Răspuns:
D = rad(L^2 + l^2 + h^2)
D = rad(49 + 16 + 81)
D = rad146
Răspuns:
[tex]d=\sqrt{L^2+l^2+h^2} \\\\BD'=\sqrt{AB^2+BC^2+AA'^2} \\\\BD'=\sqrt{7^2+4^2+9^2} \\\\BD'=\sqrt{49+16+81} \\\\BD'=\sqrt{146} cm[/tex]
Răspuns:
D = rad(L^2 + l^2 + h^2)
D = rad(49 + 16 + 81)
D = rad146
Răspuns:
[tex]d=\sqrt{L^2+l^2+h^2} \\\\BD'=\sqrt{AB^2+BC^2+AA'^2} \\\\BD'=\sqrt{7^2+4^2+9^2} \\\\BD'=\sqrt{49+16+81} \\\\BD'=\sqrt{146} cm[/tex]