Step-by-step explanation:
explain what 7 c is please and I'll write the answer in the comments:))
I cant see it please send another pic of it. closer to the screen.
Answer: angle 1=129 degrees
Step-by-step explanation:
180 - 99 - 30 = 51
all the angles of a triangle should add up to be 180 degrees
51+99+30=180
angle 1 is supplementary to the angle that is 51 degrees so it would be 129 degrees. 180-51=129
Explanation is in the file
tinyurl.com/wpazsebu
I don’t think any of them are correct .. but I may be wrong