Răspunsuri

  • Utilizator Brainly
2014-11-11T00:47:27+02:00
A-B=37°⇒A=B+37°
A+B=180°
__________
A=?B=?
__________
Inlocuim:
B+37°+B=180°
2B=180°-37°
2B=143°
B=71°30'
A=180°-71°30'
A=108°30'
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