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La 1.Va roooooooog
dau coroana

La 1Va Roooooooog Dau Coroana class=

Răspuns :

Capsunica35
a)A=150*100=15000 m =1,5ha
b) MD=AD/2=100/2=50
AB=DN+NC
AB=2NC+NC
150=3NC
NC=150:3=50
DN=2*50=100
MN²=100²+50²=10000+2500=12500
MN=√12500=50√5
NB²=100²+50²=10000+2500=12500
NB=√12500=50√5
NB=50√5
MD=NC     DN=CB    MN=NB⇒ΔNMB este isoscel

   

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