Răspunsuri

2014-05-22T00:01:41+03:00
Notam cu a,b,c marimea unghiurilor⇒a+b+c=180
a,b,c dp 12,6,12⇒a/12=b/6=c/12=k⇒a=12k, b=6k, c=12k

12k+6k+12k=180
30k=180
k=6
a=72 grade, b=36 grade, c=72 grade