Question

Give Answer in the image form ​

Answer 1

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Answer 2

Step-by-step explanation:

straight line is of 180 degree always

thus,

(x + 10) + (x + 20) + x = 180

x + 10 + x + 20 + x  = 180

3x + 30  =  180

3x  =  180 - 30

3x  =  150

x  =  150/3

x  =  50