Explicación paso a paso:
1.m_a+m_c+m_b=180°
* 47°+ 38°+ m_b=180°
* 85+ m_b=180°
* m_b=180°-85°
* m_b=95°
*b=95°
2. m_b+ m_c+ m_a= 180°
* 79°+ 22°+ m_a= 180°
* 101°+ m_a= 180°
* m_a=180°-101°
*m_a= 79°
* a=79°
3. m_a+ m_c+ m_b=180°
* 80°+60°+ m_b= 180°
* 140°+m_b=180°
* m_b=180°-140°
* m_b= 40°
* b=40°
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Explicación paso a paso:
1.m_a+m_c+m_b=180°
* 47°+ 38°+ m_b=180°
* 85+ m_b=180°
* m_b=180°-85°
* m_b=95°
*b=95°
2. m_b+ m_c+ m_a= 180°
* 79°+ 22°+ m_a= 180°
* 101°+ m_a= 180°
* m_a=180°-101°
*m_a= 79°
* a=79°
3. m_a+ m_c+ m_b=180°
* 80°+60°+ m_b= 180°
* 140°+m_b=180°
* m_b=180°-140°
* m_b= 40°
* b=40°