Răspuns :

Ctinamaria31xxxid
diag= radical mare din l^2+L^2+h^2
260= radical mare din60^2+80^2+h^2 / ()^2
67600=3600+6400+h^2
h^2=57600
h= radical din 57600
h=240
[tex]d^2=L^2+l^2+h^2[/tex]

[tex]260^2=60^2+80^2+h^2[/tex]

[tex]h^2=260^2-100^2=(260-100)(260+100)=160\cdot360=16\cdot36\cdot100[/tex]

[tex]h=\sqrt{16\cdot36\cdot10}=4\cdot6\cdot10=240\ m[/tex]

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