Question

In the given figure ,Find x .



43°

69°

85°

90°
.
​

Answer 1

Answer:

43 degree

Step-by-step explanation:

x+x+x+31+20=180

×=43

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Answer 2

Answer:

43

Step-by-step explanation:

x+31+x+20+x = 180 (straight line)

3x+51= 180

3x= 180-51

3x= 129

x= 129/3 = 43