Question

From the figure, value of 'x' is
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Answer 1

Answer:

x+20+3x+x+10= 180°

5x+30=180°

5x=150°

x=30°

Hope it wll help you!!!!

Answer 2

We know,

the angle in a straight line is 180°.

Thus, ATQ,

(x + 20)° + 3x° + (x+10)° = 180°

5x + 30° = 180°

5x = 150°

x = 30°

:)