Răspuns :

Răspuns:

Salut

m<DAC=?

∆ABC:m<B=90°

m<CAD=180°-(90°+50°)

m<CAD=180°-140°

=>m<DAC=40°

m<BAD=?

m<BAD=m<BAC-m<DAC=55°-40°=15°

Deci:

m<DAC=40°

m<BAD=15°

==evergreen==