Question

ex 12 macar formula...

Answer 1

notam dimensiunile paralellipipedului cu L, l si h. consideram triungh dreptungh abc=>ac patrat=L patrat+ l patrat(1). tr dreotungh abbprim =>ab prim patrat=L patrat+ h patrat(2) tr dreptungh add prim=> ad prim= l patrat+ h patrat(3) adunam expresiile 2 si 3 sinrezulta L patrat+ l patrat + 2* h patrat=2248, dar conform expresiei 1 L patrat+ l patrat=1600=> 1600+2* h patrat=2248=>2 h patrat=648=> h=18; inlocuim in expresia 2 si obtinem L patrat=1348-324=1024=> L=32. inlocuim apoi in expresia 3 si => l patrat= 9000-324=576=> l=24