Respuesta :

SommarMarie

Answer:

8=58.5 9=125 10=55

Step-by-step explanation:

a triangle equals 180. so by add the angles we do know than subtracting the answer from 180. is our final answer

chesme1516

Answer:

8=58.5°

9= 125°

10= 55°

Step-by-step explanation:

8.) 31.5 + 90 = 121.5 - 180 = 58.5°

9.) 25 + 30 = 55 - 180 = 125°

10.) 45 + 80 = 125 - 180 = 55°

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