You need to pay attention to see if the sides will be equal to each other or equal to 180
first picture on top left is x = -4
second picture on top right is x = 19/2
third picture on bottom left is x = -5
fourth picture on bottom right is x = 166/41
Answer:
1. x= -4
2. x= 18
3. x= -15
4. x = 6
Explanation:
Use relationship of angles to create equations and solve for x
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