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Testul 1 va rog mult. Dau coroana + 15 puncte

Testul 1 Va Rog Mult Dau Coroana 15 Puncte class=

Răspuns :

in ΔMNP, m( 1/2 = MP/12 cm => MP=6 cm
in ΔMNP, m( V3/2 = MN/12 cm => MN= 6V3 cm
MQ _|_NP, Q apartine NP=> [MQ] = h
AΔMNP= MQ×NP/2 = MN×MP/2
=> MQ = MN×MP/NP =6V3 cm × 6 cm / 12 cm =3V3 cm
PΔMNP = MN + MP + NP = 6V3cm + 6cm + 12cm = 6(3 + V3) cm