Respuesta :

dekuboi12345

Answer:

21

Step-by-step explanation:

since it is a triangle subtract 180 by 137 and 22

180-(137+22) or 180-132-22

hope this helps

bekkarmahdi702

Answer:

21

Step-by-step explanation:

We khow that the sum of a triangle's angles sizes is 180°

  • 137+22 = 159°

substract the sum of the two khown angles from 180°

  • 180°-159° = 21 °

so m<0 = 21°

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