Question

find the value
proper explanation ​

Answer 1

Answer:

80+90+50+x=360 (complete angle)

x+220=360

x=140

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Answer 2

Answer:

x=140°

Step-by-step explanation:

x+80°+90°+50°=360° [Complete angle]

x+220°=360°

x=360°-220°

x=140°

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