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in ΔMNP ,se considera [MN]≡[MP] si MO perpendicular pe NP. Demonstrati ca [OM]≡[OP].

Răspuns :

Miky93ask
ΔMNP -isoscel
[MN]≡[MP]
<MNP ≡ <MPN
MO _|_NP
MO-h          <=> mas<MON=mas<MOP=90 grade
  =>[MO -bisect <NMP    <=> <NMO ≡ <PMO

=>[MO]≡[NP]
[ON]≡[OP]
 [ON]=[OP]=[NP]/2   => [MO]≡[OP]