The value of a is 70° and b is 20°
Answer:
0
Step-by-step explanation:
So lets imagine x as our number
Let's make an equation:

So, This would mean that the average of two opposite numbers is always 0
Hope this helps!
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Answer: = 16
Step-by-step explanation:
A) 22°
- Step-by-step explanation:
∡DBG = (360° - BD - BG)/2
= (360° - 170° - 146°)/2
= 44°/2
= 22°