-30 is the answer to your question
Answer:
-56
Step-by-step explanation:
You have a negative plus a positive which will give you a negative for the answer. Because you are adding a positive 28 to a negative 84 you get a negative 56.
y = 180° - x
x = 180° - (82° + 54°) } => y = 82° + 54° = 136°
Answer is D.
Just plug in 2 for x and -2 for y. And solve
Answer:
x = 8
Step-by-step explanation:
All sides are equal in terms of symmetry, such as the 5 and 5 opposite the angle 120 that repeats itself at the centre 3 times