Answer:
Step-by-step explanation:
So a triangle angles must add up to 180. You would subtract 180 by the two known angle which are 90 and 30. Then if you subtract them you would get 60. The final answer is 60
The answer to your question is B
Answer: 60
Greatest common factor of 120 = 60
And since 60 is also a common factor of 300 it is the greatest common factor of both numbers.
Hope this helps :)
