Răspunsuri

2014-09-18T21:29:28+03:00
Masura triunghiuluiABc=180°
m(<B)=2/10+m(<A)
m(<C)=4/10+m(<A)
2/10+m(<A)+4/10+m(<A)+m(<A)=180°
2/10+4/10+3*m(<A)=180°
3*m(<A)=180-6/10=179,4
m(<A)=179,4:3=59,8°
m(<b)=2/10+59,8=2+598/10=600/10=60°
m(<C)=4/10+59,8=4+598/10=602/10=60,2°

masurile celor trei unghiuri sunt:59,8°;60°si 60,2°