Răspuns :
ex:
AOB-este unghiul tau.. si DEG alt ungi
suplement adica.. m(AOB)+m(DEG)=180 grade
in cazul tau..m(AOB)=m(DEG):3
AOB-este unghiul tau.. si DEG alt ungi
suplement adica.. m(AOB)+m(DEG)=180 grade
in cazul tau..m(AOB)=m(DEG):3
fie x mas., cautat
=>x=1/3*(180grd.-x)
=>3*x=180grd.-x =>4*x=180grd. =>x=180:4 =>x=45 grd.
=>x=1/3*(180grd.-x)
=>3*x=180grd.-x =>4*x=180grd. =>x=180:4 =>x=45 grd.