Respuesta :

Answer:

m`1 = 43` 2,3

   m<2 1/12*  

 and m <3 = 1,3/2

Step-by-step explanation:

Answer:

m1= 47 degrees

m2= 137 degrees

m3= 31 degrees

Step-by-step explanation:

90+43=133

180-133=47

47 degrees

180-43=137

137 degrees

137+12=149

180-149=31

31 degrees