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2014-04-17T13:32:41+03:00
MP/MN=2=K
MP=2K
MN=K
in triunghiul nmp, masura lui M=90 grade, aplici th catetei
MN^2=ND*NP
k^2=4√5*3k
k=12√5
MP=24√5
MN=12√5
A=MN*MP/2
A=24√5*12√5/2=144*5=725