Răspuns:
a) tri MNQ=echilateral (MN=MQ=6cm,<M=60°)
=>MN=MQ=QN=6cm
b)QH=inaltime in triu echil. QNP => QH=
[tex] \frac{6 \sqrt{3} }{2} = 3 \sqrt{ 3} [/tex]
