Question

I did not understand plese can anyone tell me about this ​

Answer 1

Answer:

Step-by-step explanation:

w+2w+150+90=360     Angle sum property

3w = 360 -150 -90

3w  = 120

w = 120/3

w = 40

2w = 40*2 = 80

Therefore angles are 40,80,90,150

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Answer 2

Answer:

hence the above state ment proves that 20° is your answer