Răspuns :
<A=180-(50+60)=70
trg ADB dr in D ⇒ <BAD=90-60=30 grd
AE bisect BAC ⇒ < BAE=35 grd
<DAE=<BAE-<BAD=35-30=5 grd
trg ADB dr in D ⇒ <BAD=90-60=30 grd
AE bisect BAC ⇒ < BAE=35 grd
<DAE=<BAE-<BAD=35-30=5 grd
<A=180-(50+60)=70
trg ADB dr in D = <BAD=90-60=30 grd
AE bisect BAC = < BAE=35 grd
<DAE=<BAE-<BAD=35-30=5 grd
trg ADB dr in D = <BAD=90-60=30 grd
AE bisect BAC = < BAE=35 grd
<DAE=<BAE-<BAD=35-30=5 grd