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Determinati lungimea muchiei bazei prismei patrulatere regulate care are aria totala=16 cm^2 si h=1cm.

Va rog repedeeee!!!!!​


Răspuns :

At=16 cm^2 h=1 cm

L=l

At=2(Ll+Lh+lh)

16=2(L^2+L+L)

L^2+2L=8

L^2+2L-8=0

L=2 cm